[879] | 1 | /*! |
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| 2 | \file mesh.cpp |
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| 3 | \author Olga Abramkina |
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| 4 | \brief Definition of class CMesh. |
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| 5 | */ |
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| 6 | |
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| 7 | #include "mesh.hpp" |
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[1542] | 8 | #include <boost/functional/hash.hpp> |
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| 9 | //#include <unordered_map> |
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[879] | 10 | |
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| 11 | namespace xios { |
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| 12 | |
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| 13 | /// ////////////////////// Définitions ////////////////////// /// |
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| 14 | |
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[1158] | 15 | CMesh::CMesh(void) : nbNodesGlo(0), nbEdgesGlo(0) |
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| 16 | , node_start(0), node_count(0) |
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| 17 | , edge_start(0), edge_count(0) |
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| 18 | , nbFaces_(0), nbNodes_(0), nbEdges_(0) |
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| 19 | , nodesAreWritten(false), edgesAreWritten(false), facesAreWritten(false) |
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[879] | 20 | , node_lon(), node_lat() |
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| 21 | , edge_lon(), edge_lat(), edge_nodes() |
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| 22 | , face_lon(), face_lat() |
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| 23 | , face_nodes() |
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[1158] | 24 | , pNodeGlobalIndex(NULL), pEdgeGlobalIndex(NULL) |
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[879] | 25 | { |
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| 26 | } |
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| 27 | |
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| 28 | |
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| 29 | CMesh::~CMesh(void) |
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| 30 | { |
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[924] | 31 | if (pNodeGlobalIndex != NULL) delete pNodeGlobalIndex; |
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| 32 | if (pEdgeGlobalIndex != NULL) delete pEdgeGlobalIndex; |
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[879] | 33 | } |
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| 34 | |
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[881] | 35 | std::map <StdString, CMesh> CMesh::meshList = std::map <StdString, CMesh>(); |
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[924] | 36 | std::map <StdString, vector<int> > CMesh::domainList = std::map <StdString, vector<int> >(); |
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[879] | 37 | |
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| 38 | ///--------------------------------------------------------------- |
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| 39 | /*! |
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[881] | 40 | * \fn bool CMesh::getMesh (StdString meshName) |
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| 41 | * Returns a pointer to a mesh. If a mesh has not been created, creates it and adds its name to the list of meshes meshList. |
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[879] | 42 | * \param [in] meshName The name of a mesh ("name" attribute of a domain). |
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[924] | 43 | * \param [in] nvertex Number of verteces (1 for nodes, 2 for edges, 3 and up for faces). |
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[879] | 44 | */ |
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[924] | 45 | CMesh* CMesh::getMesh (StdString meshName, int nvertex) |
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[879] | 46 | { |
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[924] | 47 | CMesh::domainList[meshName].push_back(nvertex); |
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| 48 | |
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[883] | 49 | if ( CMesh::meshList.begin() != CMesh::meshList.end() ) |
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[879] | 50 | { |
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[883] | 51 | for (std::map<StdString, CMesh>::iterator it=CMesh::meshList.begin(); it!=CMesh::meshList.end(); ++it) |
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| 52 | { |
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| 53 | if (it->first == meshName) |
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| 54 | return &meshList[meshName]; |
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| 55 | else |
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| 56 | { |
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| 57 | CMesh newMesh; |
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| 58 | CMesh::meshList.insert( make_pair(meshName, newMesh) ); |
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| 59 | return &meshList[meshName]; |
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| 60 | } |
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| 61 | } |
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| 62 | } |
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| 63 | else |
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| 64 | { |
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[882] | 65 | CMesh newMesh; |
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[881] | 66 | CMesh::meshList.insert( make_pair(meshName, newMesh) ); |
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[883] | 67 | return &meshList[meshName]; |
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[879] | 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | ///---------------------------------------------------------------- |
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[924] | 72 | size_t hashPair(size_t first, size_t second) |
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[879] | 73 | { |
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[924] | 74 | HashXIOS<size_t> sizetHash; |
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| 75 | size_t seed = sizetHash(first) + 0x9e3779b9 ; |
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| 76 | seed ^= sizetHash(second) + 0x9e3779b9 + (seed << 6) + (seed >> 2); |
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[879] | 77 | return seed ; |
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| 78 | } |
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| 79 | |
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| 80 | ///---------------------------------------------------------------- |
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[924] | 81 | size_t hashPairOrdered(size_t first, size_t second) |
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| 82 | { |
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| 83 | size_t seed; |
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| 84 | HashXIOS<size_t> sizetHash; |
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| 85 | if (first < second) |
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| 86 | { |
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| 87 | seed = sizetHash(first) + 0x9e3779b9 ; |
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| 88 | seed ^= sizetHash(second) + 0x9e3779b9 + (seed << 6) + (seed >> 2); |
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| 89 | } |
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| 90 | else |
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| 91 | { |
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| 92 | seed = sizetHash(second) + 0x9e3779b9 ; |
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| 93 | seed ^= sizetHash(first) + 0x9e3779b9 + (seed << 6) + (seed >> 2); |
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| 94 | } |
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| 95 | return seed ; |
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| 96 | } |
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| 97 | |
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| 98 | ///---------------------------------------------------------------- |
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[879] | 99 | /*! |
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[924] | 100 | * \fn size_t generateNodeIndex(vector<size_t>& valList, int rank) |
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| 101 | * Generates a node index. |
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| 102 | * If the same node is generated by two processes, each process will have its own node index. |
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| 103 | * \param [in] valList Vector storing four node hashes. |
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| 104 | * \param [in] rank MPI process rank. |
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| 105 | */ |
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| 106 | size_t generateNodeIndex(vector<size_t>& valList, int rank) |
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| 107 | { |
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| 108 | // Sort is needed to avoid problems for nodes with lon = 0 generated by faces in east and west semisphere |
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| 109 | vector<size_t> vec = valList; |
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| 110 | sort (vec.begin(), vec.end()); |
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| 111 | size_t seed = rank ; |
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| 112 | int it = 0; |
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| 113 | for(; it != vec.size(); ++it) |
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| 114 | { |
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| 115 | seed = hashPair(seed, vec[it]); |
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| 116 | } |
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| 117 | return seed ; |
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| 118 | } |
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| 119 | |
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[1158] | 120 | ///---------------------------------------------------------------- |
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| 121 | /*! |
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| 122 | * \fn size_t generateNodeIndex(vector<size_t>& valList) |
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| 123 | * Generates a node index unique for all processes. |
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| 124 | * \param [in] valList Vector storing four node hashes. |
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| 125 | */ |
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| 126 | size_t generateNodeIndex(vector<size_t>& valList) |
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| 127 | { |
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| 128 | // Sort is needed to avoid problems for nodes with lon = 0 generated by faces in east and west semisphere |
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| 129 | vector<size_t> vec = valList; |
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| 130 | sort (vec.begin(), vec.end()); |
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| 131 | size_t seed = vec[0] ; |
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| 132 | int it = 1; |
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| 133 | for(; it != vec.size(); ++it) |
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| 134 | { |
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| 135 | seed = hashPair(seed, vec[it]); |
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| 136 | } |
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| 137 | return seed ; |
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| 138 | } |
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| 139 | |
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[924] | 140 | ///---------------------------------------------------------------- |
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| 141 | /*! |
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| 142 | * \fn CArray<size_t,1>& CMesh::createHashes (const double longitude, const double latitude) |
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[879] | 143 | * Creates two hash values for each dimension, longitude and latitude. |
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[924] | 144 | * \param [in] longitude Node longitude in degrees. |
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| 145 | * \param [in] latitude Node latitude in degrees ranged from 0 to 360. |
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[879] | 146 | */ |
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[881] | 147 | |
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[924] | 148 | vector<size_t> CMesh::createHashes (const double longitude, const double latitude) |
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[879] | 149 | { |
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| 150 | double minBoundLon = 0. ; |
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| 151 | double maxBoundLon = 360. ; |
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[924] | 152 | double minBoundLat = -90. ; |
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| 153 | double maxBoundLat = 90. ; |
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[879] | 154 | double prec=1e-11 ; |
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| 155 | double precLon=prec ; |
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| 156 | double precLat=prec ; |
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[924] | 157 | double lon = longitude; |
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| 158 | double lat = latitude; |
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[879] | 159 | |
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[924] | 160 | if (lon > (360.- prec)) lon = 0.; |
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| 161 | |
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[879] | 162 | size_t maxsize_t=numeric_limits<size_t>::max() ; |
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| 163 | if ( (maxBoundLon-minBoundLon)/maxsize_t > precLon) precLon=(maxBoundLon-minBoundLon)/maxsize_t ; |
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| 164 | if ( (maxBoundLat-minBoundLat)/maxsize_t > precLat) precLat=(maxBoundLat-minBoundLat)/maxsize_t ; |
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| 165 | |
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| 166 | size_t iMinLon=0 ; |
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| 167 | size_t iMaxLon=(maxBoundLon-minBoundLon)/precLon ; |
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| 168 | size_t iMinLat=0 ; |
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| 169 | size_t iMaxLat=(maxBoundLat-minBoundLat)/precLat ; |
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| 170 | |
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[900] | 171 | vector<size_t> hash(4); |
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[879] | 172 | size_t lon0,lon1,lat0,lat1 ; |
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| 173 | |
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| 174 | lon0=(lon-minBoundLon)/precLon ; |
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| 175 | if ( ((lon0+1)*precLon + lon0*precLon)/2 > lon-minBoundLon) |
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| 176 | { |
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| 177 | if (lon0==iMinLon) lon1=iMaxLon ; |
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| 178 | else lon1=lon0-1 ; |
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| 179 | } |
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| 180 | else |
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| 181 | { |
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| 182 | if (lon0==iMaxLon) lon1=iMinLon ; |
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| 183 | else lon1=lon0+1 ; |
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| 184 | } |
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| 185 | |
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| 186 | lat0=(lat-minBoundLat)/precLat ; |
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| 187 | if ( ((lat0+1)*precLat + lat0*precLat)/2 > lat-minBoundLat) |
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| 188 | { |
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| 189 | if (lat0==iMinLat) lat1=lat0 ; |
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| 190 | else lat1=lat0-1 ; |
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| 191 | } |
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| 192 | else |
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| 193 | { |
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| 194 | if (lat0==iMaxLat) lat1=lat0 ; |
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| 195 | else lat1=lat0+1 ; |
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| 196 | } |
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| 197 | |
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[900] | 198 | hash[0] = hashPair(lon0,lat0) ; |
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| 199 | hash[1] = hashPair(lon0,lat1) ; |
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| 200 | hash[2] = hashPair(lon1,lat0) ; |
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| 201 | hash[3] = hashPair(lon1,lat1) ; |
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[879] | 202 | |
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[900] | 203 | return hash; |
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[879] | 204 | |
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[900] | 205 | } // createHashes |
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| 206 | |
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[879] | 207 | ///---------------------------------------------------------------- |
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| 208 | std::pair<int,int> make_ordered_pair(int a, int b) |
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| 209 | { |
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| 210 | if ( a < b ) |
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| 211 | return std::pair<int,int>(a,b); |
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| 212 | else |
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| 213 | return std::pair<int,int>(b,a); |
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| 214 | } |
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| 215 | |
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| 216 | ///---------------------------------------------------------------- |
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| 217 | /*! |
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| 218 | * \fn void CMesh::createMesh(const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
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| 219 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
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| 220 | * Creates or updates a mesh for the three types of mesh elements: nodes, edges, and faces. |
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| 221 | * \param [in] lonvalue Array of longitudes. |
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| 222 | * \param [in] latvalue Array of latitudes. |
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| 223 | * \param [in] bounds_lon Array of boundary longitudes. Its size depends on the element type. |
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[881] | 224 | * \param [in] bounds_lat Array of boundary latitudes. Its size depends on the element type. |
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[879] | 225 | */ |
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[1542] | 226 | // void CMesh::createMesh(const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
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| 227 | // const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
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| 228 | // { |
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| 229 | // int nvertex = (bounds_lon.numElements() == 0) ? 1 : bounds_lon.rows(); |
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| 230 | // |
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| 231 | // if (nvertex == 1) |
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| 232 | // { |
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| 233 | // nbNodes_ = lonvalue.numElements(); |
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| 234 | // node_lon.resizeAndPreserve(nbNodes_); |
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| 235 | // node_lat.resizeAndPreserve(nbNodes_); |
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| 236 | // for (int nn = 0; nn < nbNodes_; ++nn) |
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| 237 | // { |
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| 238 | // if (map_nodes.find(make_pair (lonvalue(nn), latvalue(nn))) == map_nodes.end()) |
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| 239 | // { |
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| 240 | // map_nodes[make_pair (lonvalue(nn), latvalue(nn))] = nn ; |
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| 241 | // node_lon(nn) = lonvalue(nn); |
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| 242 | // node_lat(nn) = latvalue(nn); |
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| 243 | // } |
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| 244 | // } |
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| 245 | // } |
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| 246 | // else if (nvertex == 2) |
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| 247 | // { |
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| 248 | // nbEdges_ = bounds_lon.shape()[1]; |
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| 249 | // |
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| 250 | // // Create nodes and edge_node connectivity |
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| 251 | // node_lon.resizeAndPreserve(nbEdges_*nvertex); // Max possible number of nodes |
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| 252 | // node_lat.resizeAndPreserve(nbEdges_*nvertex); |
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| 253 | // edge_nodes.resizeAndPreserve(nvertex, nbEdges_); |
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| 254 | // |
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| 255 | // for (int ne = 0; ne < nbEdges_; ++ne) |
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| 256 | // { |
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| 257 | // for (int nv = 0; nv < nvertex; ++nv) |
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| 258 | // { |
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| 259 | // if (map_nodes.find(make_pair (bounds_lon(nv, ne), bounds_lat(nv ,ne))) == map_nodes.end()) |
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| 260 | // { |
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| 261 | // map_nodes[make_pair (bounds_lon(nv, ne), bounds_lat(nv, ne))] = nbNodes_ ; |
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| 262 | // edge_nodes(nv,ne) = nbNodes_ ; |
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| 263 | // node_lon(nbNodes_) = bounds_lon(nv, ne); |
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| 264 | // node_lat(nbNodes_) = bounds_lat(nv, ne); |
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| 265 | // ++nbNodes_ ; |
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| 266 | // } |
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| 267 | // else |
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| 268 | // edge_nodes(nv,ne) = map_nodes[make_pair (bounds_lon(nv, ne), bounds_lat(nv ,ne))]; |
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| 269 | // } |
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| 270 | // } |
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| 271 | // node_lon.resizeAndPreserve(nbNodes_); |
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| 272 | // node_lat.resizeAndPreserve(nbNodes_); |
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| 273 | // |
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| 274 | // // Create edges |
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| 275 | // edge_lon.resizeAndPreserve(nbEdges_); |
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| 276 | // edge_lat.resizeAndPreserve(nbEdges_); |
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| 277 | // |
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| 278 | // for (int ne = 0; ne < nbEdges_; ++ne) |
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| 279 | // { |
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| 280 | // if (map_edges.find(make_ordered_pair (edge_nodes(0,ne), edge_nodes(1,ne))) == map_edges.end()) |
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| 281 | // { |
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| 282 | // map_edges[make_ordered_pair ( edge_nodes(0,ne), edge_nodes(1,ne) )] = ne ; |
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| 283 | // edge_lon(ne) = lonvalue(ne); |
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| 284 | // edge_lat(ne) = latvalue(ne); |
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| 285 | // } |
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| 286 | // |
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| 287 | // } |
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| 288 | // edgesAreWritten = true; |
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| 289 | // } |
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| 290 | // else |
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| 291 | // { |
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| 292 | // nbFaces_ = bounds_lon.shape()[1]; |
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| 293 | // |
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| 294 | // // Create nodes and face_node connectivity |
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| 295 | // node_lon.resizeAndPreserve(nbFaces_*nvertex); // Max possible number of nodes |
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| 296 | // node_lat.resizeAndPreserve(nbFaces_*nvertex); |
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| 297 | // face_nodes.resize(nvertex, nbFaces_); |
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| 298 | // |
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| 299 | // for (int nf = 0; nf < nbFaces_; ++nf) |
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| 300 | // { |
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| 301 | // for (int nv = 0; nv < nvertex; ++nv) |
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| 302 | // { |
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| 303 | // if (map_nodes.find(make_pair (bounds_lon(nv, nf), bounds_lat(nv ,nf))) == map_nodes.end()) |
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| 304 | // { |
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| 305 | // map_nodes[make_pair (bounds_lon(nv, nf), bounds_lat(nv, nf))] = nbNodes_ ; |
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| 306 | // face_nodes(nv,nf) = nbNodes_ ; |
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| 307 | // node_lon(nbNodes_) = bounds_lon(nv, nf); |
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| 308 | // node_lat(nbNodes_) = bounds_lat(nv ,nf); |
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| 309 | // ++nbNodes_ ; |
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| 310 | // } |
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| 311 | // else |
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| 312 | // { |
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| 313 | // face_nodes(nv,nf) = map_nodes[make_pair (bounds_lon(nv, nf), bounds_lat(nv ,nf))]; |
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| 314 | // } |
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| 315 | // } |
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| 316 | // } |
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| 317 | // node_lon.resizeAndPreserve(nbNodes_); |
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| 318 | // node_lat.resizeAndPreserve(nbNodes_); |
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| 319 | // |
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| 320 | // // Create edges and edge_nodes connectivity |
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| 321 | // edge_lon.resizeAndPreserve(nbFaces_*nvertex); // Max possible number of edges |
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| 322 | // edge_lat.resizeAndPreserve(nbFaces_*nvertex); |
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| 323 | // edge_nodes.resizeAndPreserve(2, nbFaces_*nvertex); |
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| 324 | // edge_faces.resize(2, nbFaces_*nvertex); |
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| 325 | // face_edges.resize(nvertex, nbFaces_); |
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| 326 | // face_faces.resize(nvertex, nbFaces_); |
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| 327 | // |
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| 328 | // vector<int> countEdges(nbFaces_*nvertex); // needed in case if edges have been already generated |
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| 329 | // vector<int> countFaces(nbFaces_); |
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| 330 | // countEdges.assign(nbFaces_*nvertex, 0); |
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| 331 | // countFaces.assign(nbFaces_, 0); |
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| 332 | // int edge; |
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| 333 | // for (int nf = 0; nf < nbFaces_; ++nf) |
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| 334 | // { |
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| 335 | // for (int nv1 = 0; nv1 < nvertex; ++nv1) |
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| 336 | // { |
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| 337 | // int nv = 0; |
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| 338 | // int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
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| 339 | // if (map_edges.find(make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))) == map_edges.end()) |
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| 340 | // { |
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| 341 | // map_edges[make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))] = nbEdges_ ; |
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| 342 | // face_edges(nv1,nf) = map_edges[make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))]; |
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| 343 | // edge_faces(0,nbEdges_) = nf; |
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| 344 | // edge_faces(1,nbEdges_) = -999; |
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| 345 | // face_faces(nv1,nf) = 999999; |
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| 346 | // edge_nodes(Range::all(),nbEdges_) = face_nodes(nv1,nf), face_nodes(nv2,nf); |
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| 347 | // edge_lon(nbEdges_) = ( abs( node_lon(face_nodes(nv1,nf)) - node_lon(face_nodes(nv2,nf))) < 180.) ? |
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| 348 | // (( node_lon(face_nodes(nv1,nf)) + node_lon(face_nodes(nv2,nf))) * 0.5) : |
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| 349 | // (( node_lon(face_nodes(nv1,nf)) + node_lon(face_nodes(nv2,nf))) * 0.5 -180.); |
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| 350 | // edge_lat(nbEdges_) = ( node_lat(face_nodes(nv1,nf)) + node_lat(face_nodes(nv2,nf)) ) * 0.5; |
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| 351 | // ++nbEdges_; |
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| 352 | // } |
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| 353 | // else |
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| 354 | // { |
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| 355 | // edge = map_edges[make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))]; |
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| 356 | // face_edges(nv1,nf) = edge; |
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| 357 | // if (edgesAreWritten) |
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| 358 | // { |
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| 359 | // edge_faces(countEdges[edge], edge) = nf; |
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| 360 | // if (countEdges[edge]==0) |
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| 361 | // { |
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| 362 | // face_faces(nv1,nf) = 999999; |
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| 363 | // } |
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| 364 | // else |
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| 365 | // { |
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| 366 | // int face1 = nf; // = edge_faces(1,edge) |
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| 367 | // int face2 = edge_faces(0,edge); |
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| 368 | // face_faces(countFaces[face1], face1) = face2; |
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| 369 | // face_faces(countFaces[face2], face2) = face1; |
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| 370 | // ++(countFaces[face1]); |
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| 371 | // ++(countFaces[face2]); |
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| 372 | // } |
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| 373 | // } |
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| 374 | // else |
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| 375 | // { |
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| 376 | // edge_faces(1,edge) = nf; |
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| 377 | // int face1 = nf; // = edge_faces(1,edge) |
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| 378 | // int face2 = edge_faces(0,edge); |
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| 379 | // face_faces(countFaces[face1], face1) = face2; |
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| 380 | // face_faces(countFaces[face2], face2) = face1; |
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| 381 | // ++(countFaces[face1]); |
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| 382 | // ++(countFaces[face2]); |
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| 383 | // } |
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| 384 | // ++(countEdges[edge]); |
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| 385 | // } |
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| 386 | // } |
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| 387 | // } |
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| 388 | // edge_nodes.resizeAndPreserve(2, nbEdges_); |
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| 389 | // edge_faces.resizeAndPreserve(2, nbEdges_); |
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| 390 | // edge_lon.resizeAndPreserve(nbEdges_); |
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| 391 | // edge_lat.resizeAndPreserve(nbEdges_); |
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| 392 | // |
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| 393 | // // Create faces |
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| 394 | // face_lon.resize(nbFaces_); |
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| 395 | // face_lat.resize(nbFaces_); |
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| 396 | // face_lon = lonvalue; |
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| 397 | // face_lat = latvalue; |
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| 398 | // facesAreWritten = true; |
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| 399 | // |
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| 400 | // } // nvertex > 2 |
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| 401 | // |
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| 402 | // } // createMesh() |
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[879] | 403 | |
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| 404 | ///---------------------------------------------------------------- |
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| 405 | /*! |
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| 406 | * \fn void CMesh::createMeshEpsilon(const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
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| 407 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
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| 408 | * Creates or updates a mesh for the three types of mesh elements: nodes, edges, and faces. |
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| 409 | * Precision check is implemented with two hash values for each dimension, longitude and latitude. |
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[924] | 410 | * \param [in] comm |
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[879] | 411 | * \param [in] lonvalue Array of longitudes. |
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| 412 | * \param [in] latvalue Array of latitudes. |
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| 413 | * \param [in] bounds_lon Array of boundary longitudes. Its size depends on the element type. |
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[881] | 414 | * \param [in] bounds_lat Array of boundary latitudes. Its size depends on the element type. |
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[879] | 415 | */ |
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[1639] | 416 | void CMesh::createMeshEpsilon(const MPI_Comm& comm, |
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[924] | 417 | const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
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| 418 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
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[879] | 419 | { |
---|
[900] | 420 | |
---|
[924] | 421 | int nvertex = (bounds_lon.numElements() == 0) ? 1 : bounds_lon.rows(); |
---|
| 422 | int mpiRank, mpiSize; |
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[1639] | 423 | MPI_Comm_rank(comm, &mpiRank); |
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| 424 | MPI_Comm_size(comm, &mpiSize); |
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[929] | 425 | double prec = 1e-11; // used in calculations of edge_lon/lat |
---|
[879] | 426 | |
---|
| 427 | if (nvertex == 1) |
---|
| 428 | { |
---|
[929] | 429 | nbNodes_ = lonvalue.numElements(); |
---|
| 430 | node_lon.resize(nbNodes_); |
---|
| 431 | node_lat.resize(nbNodes_); |
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[924] | 432 | node_lon = lonvalue; |
---|
| 433 | node_lat = latvalue; |
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[900] | 434 | |
---|
[2200] | 435 | unsigned long nodeCount = nbNodes_; |
---|
| 436 | unsigned long nodeStart, nbNodes; |
---|
| 437 | MPI_Scan(&nodeCount, &nodeStart, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
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| 438 | int nNodes = nodeStart; |
---|
| 439 | MPI_Bcast(&nNodes, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
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| 440 | nbNodesGlo = nNodes; |
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| 441 | |
---|
| 442 | nodeStart -= nodeCount; |
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| 443 | node_start = nodeStart; |
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| 444 | node_count = nodeCount; |
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| 445 | |
---|
[924] | 446 | // Global node indexes |
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| 447 | vector<size_t> hashValues(4); |
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| 448 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2IdxGlo; |
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[929] | 449 | for (size_t nn = 0; nn < nbNodes_; ++nn) |
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[879] | 450 | { |
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[900] | 451 | hashValues = CMesh::createHashes(lonvalue(nn), latvalue(nn)); |
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[924] | 452 | for (size_t nh = 0; nh < 4; ++nh) |
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| 453 | { |
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[2200] | 454 | nodeHash2IdxGlo[hashValues[nh]].push_back(nodeStart + nn); |
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[924] | 455 | } |
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[879] | 456 | } |
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[924] | 457 | pNodeGlobalIndex = new CClientClientDHTSizet (nodeHash2IdxGlo, comm); |
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[2200] | 458 | |
---|
[924] | 459 | nodesAreWritten = true; |
---|
| 460 | } |
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[900] | 461 | |
---|
[924] | 462 | else if (nvertex == 2) |
---|
| 463 | { |
---|
[929] | 464 | nbEdges_ = bounds_lon.shape()[1]; |
---|
| 465 | edge_lon.resize(nbEdges_); |
---|
| 466 | edge_lat.resize(nbEdges_); |
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[924] | 467 | edge_lon = lonvalue; |
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| 468 | edge_lat = latvalue; |
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[929] | 469 | edge_nodes.resize(nvertex, nbEdges_); |
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| 470 | |
---|
| 471 | // For determining the global edge index |
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[1507] | 472 | unsigned long nbEdgesOnProc = nbEdges_; |
---|
| 473 | unsigned long nbEdgesAccum; |
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[2200] | 474 | unsigned long nbEdgesGlo; |
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[1639] | 475 | MPI_Scan(&nbEdgesOnProc, &nbEdgesAccum, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
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[2200] | 476 | nbEdgesGlo = nbEdgesAccum ; |
---|
| 477 | MPI_Bcast(&nbEdgesGlo, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
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[929] | 478 | nbEdgesAccum -= nbEdges_; |
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[2200] | 479 | edge_start = nbEdgesAccum ; |
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| 480 | edge_count = nbEdgesOnProc ; |
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[929] | 481 | |
---|
[924] | 482 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2IdxGlo; |
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| 483 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Idx; |
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[900] | 484 | |
---|
[924] | 485 | // Case (1): node indexes have been generated by domain "nodes" |
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| 486 | if (nodesAreWritten) |
---|
| 487 | { |
---|
| 488 | vector<size_t> hashValues(4); |
---|
[929] | 489 | CArray<size_t,1> nodeHashList(nbEdges_*nvertex*4); |
---|
| 490 | for (int ne = 0; ne < nbEdges_; ++ne) // size_t doesn't work with CArray<double, 2> |
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[924] | 491 | { |
---|
| 492 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 493 | { |
---|
| 494 | hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
| 495 | for (int nh = 0; nh < 4; ++nh) |
---|
| 496 | { |
---|
| 497 | nodeHashList((ne*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
| 498 | } |
---|
| 499 | } |
---|
| 500 | } |
---|
[900] | 501 | |
---|
[924] | 502 | // Recuperating the node global indexing and writing edge_nodes |
---|
| 503 | // Creating map edgeHash2IdxGlo <hash, idxGlo> |
---|
| 504 | pNodeGlobalIndex->computeIndexInfoMapping(nodeHashList); |
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| 505 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2IdxGlo = pNodeGlobalIndex->getInfoIndexMap(); |
---|
| 506 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it; |
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[929] | 507 | size_t nodeIdxGlo1, nodeIdxGlo2; |
---|
| 508 | for (int ne = 0; ne < nbEdges_; ++ne) |
---|
[924] | 509 | { |
---|
| 510 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 511 | { |
---|
| 512 | int nh = 0; |
---|
| 513 | it = nodeHash2IdxGlo.find(nodeHashList((ne*nvertex + nv)*4 + nh)); |
---|
| 514 | // The loop below is needed in case if a hash generated by domain "edges" differs |
---|
| 515 | // from that generated by domain "nodes" because of possible precision issues |
---|
| 516 | while (it == nodeHash2IdxGlo.end()) |
---|
| 517 | { |
---|
| 518 | ++nh; |
---|
| 519 | it = nodeHash2IdxGlo.find(nodeHashList((ne*nvertex + nv)*4 + nh)); |
---|
| 520 | } |
---|
| 521 | edge_nodes(nv,ne) = it->second[0]; |
---|
[929] | 522 | if (nv ==0) |
---|
| 523 | nodeIdxGlo1 = it->second[0]; |
---|
| 524 | else |
---|
| 525 | nodeIdxGlo2 = it->second[0]; |
---|
[924] | 526 | } |
---|
[929] | 527 | size_t edgeIdxGlo = nbEdgesAccum + ne; |
---|
| 528 | edgeHash2IdxGlo[ hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2) ].push_back(edgeIdxGlo); |
---|
[924] | 529 | } |
---|
| 530 | } // nodesAreWritten |
---|
[900] | 531 | |
---|
[929] | 532 | |
---|
[924] | 533 | // Case (2): node indexes have not been generated previously |
---|
| 534 | else |
---|
| 535 | { |
---|
| 536 | // (2.1) Creating a list of hashes for each node and a map nodeHash2Idx <hash, <idx,rank> > |
---|
| 537 | vector<size_t> hashValues(4); |
---|
| 538 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2Idx; |
---|
[929] | 539 | CArray<size_t,1> nodeHashList(nbEdges_*nvertex*4); |
---|
[1158] | 540 | int nbHash = 0; |
---|
[929] | 541 | for (int ne = 0; ne < nbEdges_; ++ne) |
---|
[924] | 542 | { |
---|
| 543 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 544 | { |
---|
| 545 | hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
| 546 | for (int nh = 0; nh < 4; ++nh) |
---|
| 547 | { |
---|
| 548 | if (nodeHash2Idx[hashValues[nh]].size() == 0) |
---|
| 549 | { |
---|
[1158] | 550 | nodeHash2Idx[hashValues[nh]].push_back(generateNodeIndex(hashValues)); |
---|
[924] | 551 | nodeHash2Idx[hashValues[nh]].push_back(mpiRank); |
---|
[1158] | 552 | nodeHashList(nbHash) = hashValues[nh]; |
---|
| 553 | ++nbHash; |
---|
[924] | 554 | } |
---|
| 555 | } |
---|
| 556 | } |
---|
| 557 | } |
---|
[1158] | 558 | nodeHashList.resizeAndPreserve(nbHash); |
---|
[900] | 559 | |
---|
[924] | 560 | // (2.2) Generating global node indexes |
---|
[1158] | 561 | // The ownership criterion: priority of the process of smaller index |
---|
[924] | 562 | // Maps generated in this step are: |
---|
[1158] | 563 | // Maps generated in this step are: |
---|
| 564 | // nodeHash2Info = <hash, [[idx, rankMin], [idx, rank1], [idx, rank3]..]> |
---|
| 565 | // nodeIdx2Idx = <idx, <rankOwner, idx>> |
---|
[900] | 566 | |
---|
[1158] | 567 | CClientClientDHTSizet dhtNodeHash(nodeHash2Idx, comm); |
---|
| 568 | dhtNodeHash.computeIndexInfoMapping(nodeHashList); |
---|
| 569 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2Info = dhtNodeHash.getInfoIndexMap(); |
---|
[900] | 570 | |
---|
| 571 | |
---|
[1158] | 572 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2Idx; |
---|
| 573 | CArray<size_t,1> nodeIdxList(nbEdges_*nvertex*4); |
---|
| 574 | size_t nIdx = 0; |
---|
[900] | 575 | |
---|
[1158] | 576 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeHash2Info.begin(); it != nodeHash2Info.end(); ++it) |
---|
| 577 | { |
---|
| 578 | size_t rankMin = (it->second)[1]; |
---|
| 579 | size_t idx = (it->second)[0]; |
---|
| 580 | for (int i = 2; i < (it->second).size();) |
---|
| 581 | { |
---|
| 582 | if ( (it->second)[i+1] < rankMin) |
---|
| 583 | { |
---|
| 584 | idx = (it->second)[i]; |
---|
| 585 | rankMin = (it->second)[i+1]; |
---|
| 586 | (it->second)[i+1] = (it->second)[i-1]; |
---|
| 587 | } |
---|
| 588 | i += 2; |
---|
| 589 | } |
---|
| 590 | if (nodeIdx2Idx.count(idx) == 0) |
---|
| 591 | { |
---|
| 592 | if (mpiRank == rankMin) |
---|
| 593 | { |
---|
| 594 | nodeIdx2Idx[idx].push_back(rankMin); |
---|
| 595 | nodeIdx2Idx[idx].push_back(idx); |
---|
| 596 | } |
---|
| 597 | nodeIdxList(nIdx) = idx; |
---|
| 598 | ++nIdx; |
---|
| 599 | } |
---|
| 600 | } |
---|
| 601 | nodeIdxList.resizeAndPreserve(nIdx); |
---|
| 602 | |
---|
| 603 | // CDHTAutoIndexing will not give consistent node numbering for varying number of procs. => |
---|
| 604 | // Solution: global node indexing by hand. |
---|
| 605 | // Maps modified in this step: |
---|
| 606 | // nodeIdx2Idx = <idx, idxGlo> |
---|
[1507] | 607 | unsigned long nodeCount = nodeIdx2Idx.size(); |
---|
| 608 | unsigned long nodeStart, nbNodes; |
---|
[1639] | 609 | MPI_Scan(&nodeCount, &nodeStart, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
---|
[1158] | 610 | int nNodes = nodeStart; |
---|
[1639] | 611 | MPI_Bcast(&nNodes, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
---|
[1158] | 612 | nbNodesGlo = nNodes; |
---|
| 613 | |
---|
| 614 | nodeStart -= nodeCount; |
---|
| 615 | node_start = nodeStart; |
---|
| 616 | node_count = nodeCount; |
---|
| 617 | CClientClientDHTSizet::Index2VectorInfoTypeMap dummyMap; // just a dummy map used to ensure that each node is numbered only once |
---|
| 618 | size_t count = 0; |
---|
| 619 | |
---|
| 620 | for (int ne = 0; ne < nbEdges_; ++ne) |
---|
| 621 | { |
---|
| 622 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 623 | { |
---|
| 624 | vector<size_t> hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
| 625 | size_t nodeIdx = generateNodeIndex(hashValues); |
---|
| 626 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeIdx2Idx.find(nodeIdx); |
---|
| 627 | if (it != nodeIdx2Idx.end()) |
---|
| 628 | { |
---|
| 629 | if (dummyMap.count(nodeIdx) == 0) |
---|
| 630 | { |
---|
| 631 | dummyMap[nodeIdx].push_back(nodeIdx); |
---|
| 632 | (it->second)[1] = node_start + count; |
---|
| 633 | ++count; |
---|
| 634 | } |
---|
| 635 | } |
---|
| 636 | } |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | CClientClientDHTSizet dhtNodeIdx(nodeIdx2Idx, comm); |
---|
| 640 | dhtNodeIdx.computeIndexInfoMapping(nodeIdxList); |
---|
| 641 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeIdx2IdxGlo = dhtNodeIdx.getInfoIndexMap(); |
---|
| 642 | |
---|
[924] | 643 | // (2.3) Saving variables: node_lon, node_lat, edge_nodes |
---|
| 644 | // Creating map nodeHash2IdxGlo <hash, idxGlo> |
---|
| 645 | // Creating map edgeHash2IdxGlo <hash, idxGlo> |
---|
[1158] | 646 | // nbNodesGlo = dhtNodeIdxGlo.getNbIndexesGlobal(); |
---|
| 647 | // node_count = dhtNodeIdxGlo.getIndexCount(); |
---|
| 648 | // node_start = dhtNodeIdxGlo.getIndexStart(); |
---|
[924] | 649 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2IdxGlo; |
---|
| 650 | node_lon.resize(node_count); |
---|
| 651 | node_lat.resize(node_count); |
---|
| 652 | vector <size_t> edgeNodes; |
---|
| 653 | size_t idxGlo = 0; |
---|
| 654 | |
---|
[929] | 655 | for (int ne = 0; ne < nbEdges_; ++ne) |
---|
[924] | 656 | { |
---|
| 657 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 658 | { |
---|
| 659 | hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
[1158] | 660 | size_t myIdx = generateNodeIndex(hashValues); |
---|
| 661 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = nodeIdx2IdxGlo.find(myIdx); |
---|
| 662 | idxGlo = (itIdx->second)[1]; |
---|
[924] | 663 | |
---|
[1158] | 664 | if (mpiRank == (itIdx->second)[0]) |
---|
[924] | 665 | { |
---|
| 666 | // node_lon(idxGlo - node_start) = (bounds_lon(nv, ne) == 360.) ? (0.) : (bounds_lon(nv, ne)); |
---|
| 667 | node_lon(idxGlo - node_start) = bounds_lon(nv, ne); |
---|
| 668 | node_lat(idxGlo - node_start) = bounds_lat(nv, ne); |
---|
| 669 | } |
---|
| 670 | edge_nodes(nv,ne) = idxGlo; |
---|
| 671 | for (int nh = 0; nh < 4; ++nh) |
---|
| 672 | nodeHash2IdxGlo[hashValues[nh]].push_back(idxGlo); |
---|
| 673 | edgeNodes.push_back(idxGlo); |
---|
| 674 | } |
---|
[929] | 675 | if (edgeNodes[0] != edgeNodes[1]) |
---|
| 676 | { |
---|
| 677 | size_t edgeIdxGlo = nbEdgesAccum + ne; |
---|
| 678 | edgeHash2IdxGlo[ hashPairOrdered(edgeNodes[0], edgeNodes[1]) ].push_back(edgeIdxGlo); |
---|
| 679 | } |
---|
[924] | 680 | edgeNodes.clear(); |
---|
| 681 | } |
---|
| 682 | pNodeGlobalIndex = new CClientClientDHTSizet (nodeHash2IdxGlo, comm); |
---|
| 683 | } // !nodesAreWritten |
---|
| 684 | |
---|
| 685 | pEdgeGlobalIndex = new CClientClientDHTSizet (edgeHash2IdxGlo, comm); |
---|
| 686 | edgesAreWritten = true; |
---|
| 687 | } //nvertex = 2 |
---|
| 688 | |
---|
[2200] | 689 | else // nvertex > 2 |
---|
[879] | 690 | { |
---|
[929] | 691 | nbFaces_ = bounds_lon.shape()[1]; |
---|
| 692 | face_lon.resize(nbFaces_); |
---|
| 693 | face_lat.resize(nbFaces_); |
---|
[924] | 694 | face_lon = lonvalue; |
---|
| 695 | face_lat = latvalue; |
---|
[929] | 696 | face_nodes.resize(nvertex, nbFaces_); |
---|
| 697 | face_edges.resize(nvertex, nbFaces_); |
---|
[879] | 698 | |
---|
[929] | 699 | // For determining the global face index |
---|
[1507] | 700 | unsigned long nbFacesOnProc = nbFaces_; |
---|
| 701 | unsigned long nbFacesAccum; |
---|
[1639] | 702 | MPI_Scan(&nbFacesOnProc, &nbFacesAccum, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
---|
[929] | 703 | nbFacesAccum -= nbFaces_; |
---|
| 704 | |
---|
[924] | 705 | // Case (1): edges have been previously generated |
---|
| 706 | if (edgesAreWritten) |
---|
[879] | 707 | { |
---|
[924] | 708 | // (1.1) Recuperating node global indexing and saving face_nodes |
---|
| 709 | vector<size_t> hashValues(4); |
---|
[929] | 710 | CArray<size_t,1> nodeHashList(nbFaces_*nvertex*4); |
---|
| 711 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[879] | 712 | { |
---|
[924] | 713 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 714 | { |
---|
| 715 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 716 | for (int nh = 0; nh < 4; ++nh) |
---|
| 717 | nodeHashList((nf*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
| 718 | } |
---|
| 719 | } |
---|
| 720 | pNodeGlobalIndex->computeIndexInfoMapping(nodeHashList); |
---|
| 721 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2IdxGlo = pNodeGlobalIndex->getInfoIndexMap(); |
---|
| 722 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2; |
---|
[929] | 723 | CArray<size_t,1> edgeHashList(nbFaces_*nvertex); |
---|
| 724 | size_t nEdge = 0; |
---|
| 725 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 726 | { |
---|
| 727 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 728 | { |
---|
| 729 | int nh1 = 0; |
---|
| 730 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 731 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 732 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 733 | { |
---|
| 734 | ++nh1; |
---|
| 735 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 736 | } |
---|
| 737 | int nh2 = 0; |
---|
| 738 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 739 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 740 | { |
---|
| 741 | ++nh2; |
---|
| 742 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 743 | } |
---|
| 744 | face_nodes(nv1,nf) = it1->second[0]; |
---|
[929] | 745 | if (it1->second[0] != it2->second[0]) |
---|
| 746 | { |
---|
| 747 | edgeHashList(nEdge) = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
| 748 | ++nEdge; |
---|
| 749 | } |
---|
[924] | 750 | } |
---|
| 751 | } |
---|
[929] | 752 | edgeHashList.resizeAndPreserve(nEdge); |
---|
[900] | 753 | |
---|
[924] | 754 | // (1.2) Recuperating edge global indexing and saving face_edges |
---|
| 755 | pEdgeGlobalIndex->computeIndexInfoMapping(edgeHashList); |
---|
| 756 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2IdxGlo = pEdgeGlobalIndex->getInfoIndexMap(); |
---|
| 757 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itEdgeHash; |
---|
| 758 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Rank; |
---|
| 759 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdxGlo2Face; |
---|
[1158] | 760 | CArray<size_t,1> edgeIdxList(nbFaces_*nvertex); |
---|
[924] | 761 | size_t iIdx = 0; |
---|
| 762 | |
---|
[929] | 763 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 764 | { |
---|
| 765 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 766 | { |
---|
| 767 | int nh1 = 0; |
---|
| 768 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 769 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 770 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 771 | { |
---|
| 772 | ++nh1; |
---|
| 773 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 774 | } |
---|
| 775 | int nh2 = 0; |
---|
| 776 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 777 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 778 | { |
---|
| 779 | ++nh2; |
---|
| 780 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 781 | } |
---|
[929] | 782 | if (it1->second[0] != it2->second[0]) |
---|
[924] | 783 | { |
---|
[929] | 784 | size_t faceIdxGlo = nbFacesAccum + nf; |
---|
| 785 | size_t edgeHash = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
| 786 | itEdgeHash = edgeHash2IdxGlo.find(edgeHash); |
---|
| 787 | size_t edgeIdxGlo = itEdgeHash->second[0]; |
---|
| 788 | face_edges(nv1,nf) = edgeIdxGlo; |
---|
| 789 | if (edgeIdxGlo2Face.count(edgeIdxGlo) == 0) |
---|
| 790 | { |
---|
[1158] | 791 | edgeIdxList(iIdx) = edgeIdxGlo; |
---|
[929] | 792 | ++iIdx; |
---|
| 793 | } |
---|
| 794 | edgeIdxGlo2Face[edgeIdxGlo].push_back(faceIdxGlo); |
---|
| 795 | edgeHash2Rank[edgeHash].push_back(mpiRank); |
---|
[1158] | 796 | edgeHash2Rank[edgeHash].push_back(itEdgeHash->second[0]); |
---|
[924] | 797 | } |
---|
[929] | 798 | else |
---|
| 799 | { |
---|
| 800 | face_edges(nv1,nf) = 999999; |
---|
| 801 | } |
---|
[924] | 802 | } |
---|
[879] | 803 | } |
---|
[1158] | 804 | edgeIdxList.resizeAndPreserve(iIdx); |
---|
[879] | 805 | |
---|
[924] | 806 | // (1.3) Saving remaining variables edge_faces and face_faces |
---|
[900] | 807 | |
---|
[924] | 808 | // Establishing edge ownership |
---|
| 809 | // The ownership criterion: priority of the process with smaller rank |
---|
| 810 | CClientClientDHTSizet dhtEdgeHash (edgeHash2Rank, comm); |
---|
| 811 | dhtEdgeHash.computeIndexInfoMapping(edgeHashList); |
---|
| 812 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdgeHash.getInfoIndexMap(); |
---|
[900] | 813 | |
---|
[1158] | 814 | // edgeHash2Info = <edgeHash, < rank1, idxGlo, rank2, idxGlo>> |
---|
| 815 | int edgeCount = 0; |
---|
[924] | 816 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeHash2Info.begin(); it != edgeHash2Info.end(); ++it) |
---|
| 817 | { |
---|
| 818 | vector <size_t> edgeInfo = it->second; |
---|
[1158] | 819 | if (edgeInfo[0] == mpiRank) |
---|
| 820 | { |
---|
| 821 | ++edgeCount; |
---|
| 822 | } |
---|
[924] | 823 | } |
---|
[879] | 824 | |
---|
[1507] | 825 | unsigned long edgeStart, nbEdges; |
---|
[1639] | 826 | MPI_Scan(&edgeCount, &edgeStart, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
---|
[1158] | 827 | int nEdges = edgeStart; |
---|
[1639] | 828 | MPI_Bcast(&nEdges, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
---|
[1158] | 829 | nbEdgesGlo = nEdges; |
---|
[924] | 830 | |
---|
[1158] | 831 | // edges to be splitted equally between procs |
---|
| 832 | if ( (nbEdgesGlo % mpiSize) == 0) |
---|
| 833 | { |
---|
| 834 | edge_count = nbEdgesGlo/mpiSize; |
---|
| 835 | edge_start = mpiRank*edge_count; |
---|
| 836 | } |
---|
| 837 | else |
---|
| 838 | { |
---|
| 839 | if (mpiRank == (mpiSize - 1) ) |
---|
| 840 | { |
---|
| 841 | edge_count = nbEdgesGlo/mpiSize; |
---|
| 842 | edge_start = mpiRank*(nbEdgesGlo/mpiSize + 1); |
---|
| 843 | } |
---|
| 844 | else |
---|
| 845 | { |
---|
| 846 | edge_count = nbEdgesGlo/mpiSize + 1; |
---|
| 847 | edge_start = mpiRank*edge_count; |
---|
| 848 | } |
---|
| 849 | } |
---|
| 850 | CArray<size_t,1> edgeIdxGloList(edge_count); |
---|
| 851 | for (int i = 0; i < edge_count; ++i) |
---|
| 852 | { |
---|
| 853 | edgeIdxGloList(i) = i + edge_start; |
---|
| 854 | } |
---|
[924] | 855 | |
---|
[1158] | 856 | CClientClientDHTSizet dhtEdgeIdxGlo2Face (edgeIdxGlo2Face, comm); |
---|
[924] | 857 | CClientClientDHTSizet dhtEdge2Face (edgeIdxGlo2Face, comm); |
---|
[1158] | 858 | dhtEdgeIdxGlo2Face.computeIndexInfoMapping(edgeIdxGloList); |
---|
| 859 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxGlo2FaceIdx = dhtEdgeIdxGlo2Face.getInfoIndexMap(); |
---|
| 860 | dhtEdge2Face.computeIndexInfoMapping(edgeIdxList); |
---|
| 861 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdx2FaceIdx = dhtEdge2Face.getInfoIndexMap(); |
---|
[924] | 862 | |
---|
[1158] | 863 | |
---|
| 864 | edge_faces.resize(2, edge_count); |
---|
| 865 | for (int i = 0; i < edge_count; ++i) |
---|
| 866 | { |
---|
| 867 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeIdxGlo2FaceIdx.find(i + edge_start); |
---|
| 868 | int indexGlo = it->first; |
---|
| 869 | vector<size_t> faces = it->second; |
---|
| 870 | int face1 = faces[0]; |
---|
| 871 | edge_faces(0, indexGlo - edge_start) = face1; |
---|
| 872 | if (faces.size() == 2) |
---|
| 873 | { |
---|
| 874 | int face2 = faces[1]; |
---|
| 875 | edge_faces(1, indexGlo - edge_start) = face2; |
---|
| 876 | } |
---|
| 877 | else |
---|
| 878 | { |
---|
| 879 | edge_faces(1, indexGlo - edge_start) = -999; |
---|
| 880 | } |
---|
| 881 | } |
---|
| 882 | |
---|
| 883 | size_t tmp; |
---|
| 884 | vector<size_t> tmpVec; |
---|
| 885 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeIdx2FaceIdx.begin(); it != edgeIdx2FaceIdx.end(); it++) |
---|
| 886 | { |
---|
| 887 | tmp = it->first; |
---|
| 888 | tmpVec = it->second; |
---|
| 889 | tmp++; |
---|
| 890 | } |
---|
| 891 | |
---|
| 892 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itFace1, itFace2, itIndex; |
---|
| 893 | face_faces.resize(nvertex, nbFaces_); |
---|
[929] | 894 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 895 | { |
---|
| 896 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 897 | { |
---|
| 898 | int nh1 = 0; |
---|
| 899 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 900 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 901 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 902 | { |
---|
| 903 | ++nh1; |
---|
| 904 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 905 | } |
---|
| 906 | int nh2 = 0; |
---|
| 907 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 908 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 909 | { |
---|
| 910 | ++nh2; |
---|
| 911 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 912 | } |
---|
| 913 | |
---|
[929] | 914 | if (it1->second[0] != it2->second[0]) |
---|
[924] | 915 | { |
---|
[929] | 916 | size_t faceIdxGlo = nbFacesAccum + nf; |
---|
| 917 | size_t edgeHash = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
[1158] | 918 | itEdgeHash = edgeHash2Info.find(edgeHash); |
---|
| 919 | int edgeIdxGlo = (itEdgeHash->second)[1]; |
---|
| 920 | |
---|
| 921 | if ( (itEdgeHash->second)[0] == mpiRank) |
---|
[924] | 922 | { |
---|
[1158] | 923 | itFace1 = edgeIdx2FaceIdx.find(edgeIdxGlo); |
---|
[929] | 924 | int face1 = itFace1->second[0]; |
---|
| 925 | if (itFace1->second.size() == 1) |
---|
| 926 | { |
---|
| 927 | face_faces(nv1, nf) = 999999; |
---|
| 928 | } |
---|
| 929 | else |
---|
| 930 | { |
---|
| 931 | int face2 = itFace1->second[1]; |
---|
| 932 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
| 933 | } |
---|
| 934 | } // edge owner |
---|
[924] | 935 | else |
---|
| 936 | { |
---|
[1158] | 937 | itFace1 = edgeIdx2FaceIdx.find(edgeIdxGlo); |
---|
[929] | 938 | int face1 = itFace1->second[0]; |
---|
[924] | 939 | int face2 = itFace1->second[1]; |
---|
| 940 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
[929] | 941 | } // not an edge owner |
---|
| 942 | } // node1 != node2 |
---|
[924] | 943 | else |
---|
| 944 | { |
---|
[929] | 945 | face_faces(nv1, nf) = 999999; |
---|
[924] | 946 | } |
---|
| 947 | } |
---|
| 948 | } |
---|
| 949 | } // edgesAreWritten |
---|
| 950 | |
---|
| 951 | // Case (2): nodes have been previously generated |
---|
| 952 | else if (nodesAreWritten) |
---|
[879] | 953 | { |
---|
[924] | 954 | // (2.1) Generating nodeHashList |
---|
| 955 | vector<size_t> hashValues(4); |
---|
[929] | 956 | CArray<size_t,1> nodeHashList(nbFaces_*nvertex*4); |
---|
| 957 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[879] | 958 | { |
---|
[924] | 959 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 960 | { |
---|
| 961 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 962 | for (int nh = 0; nh < 4; ++nh) |
---|
| 963 | nodeHashList((nf*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
| 964 | } |
---|
[879] | 965 | } |
---|
| 966 | |
---|
[924] | 967 | // (2.2) Recuperating node global indexing and saving face_nodes |
---|
| 968 | // Generating edgeHash2Info = <hash, <idx, rank>> and edgeHashList |
---|
| 969 | pNodeGlobalIndex->computeIndexInfoMapping(nodeHashList); |
---|
| 970 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2IdxGlo = pNodeGlobalIndex->getInfoIndexMap(); |
---|
| 971 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Idx; |
---|
| 972 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2; |
---|
[929] | 973 | CArray<size_t,1> edgeHashList(nbFaces_*nvertex); |
---|
[1158] | 974 | int nEdgeHash = 0; |
---|
[929] | 975 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 976 | { |
---|
| 977 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 978 | { |
---|
| 979 | int nh1 = 0; |
---|
| 980 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 981 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 982 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 983 | { |
---|
| 984 | ++nh1; |
---|
| 985 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 986 | } |
---|
| 987 | int nh2 = 0; |
---|
| 988 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 989 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 990 | { |
---|
| 991 | ++nh2; |
---|
| 992 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 993 | } |
---|
| 994 | face_nodes(nv1,nf) = it1->second[0]; |
---|
| 995 | size_t edgeHash = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
[1158] | 996 | if (edgeHash2Idx.count(edgeHash) == 0) |
---|
| 997 | { |
---|
| 998 | edgeHash2Idx[edgeHash].push_back(edgeHash); |
---|
| 999 | edgeHash2Idx[edgeHash].push_back(mpiRank); |
---|
| 1000 | edgeHashList(nEdgeHash) = edgeHash; |
---|
| 1001 | ++nEdgeHash; |
---|
| 1002 | } |
---|
[924] | 1003 | } |
---|
| 1004 | } |
---|
[1158] | 1005 | edgeHashList.resizeAndPreserve(nEdgeHash); |
---|
[879] | 1006 | |
---|
[1158] | 1007 | // (2.3) Generating global edge indexes |
---|
| 1008 | // The ownership criterion: priority of the process with smaller rank |
---|
[924] | 1009 | // Maps generated in this step are: |
---|
[1158] | 1010 | // edgeIdx2Idx = = <idx, <rankOwner, idx>> |
---|
| 1011 | // edgeIdx2IdxGlo = <idxMin, <rankOwner, idxGlo>> |
---|
[924] | 1012 | |
---|
| 1013 | CClientClientDHTSizet dhtEdgeHash(edgeHash2Idx, comm); |
---|
| 1014 | dhtEdgeHash.computeIndexInfoMapping(edgeHashList); |
---|
| 1015 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdgeHash.getInfoIndexMap(); |
---|
[1158] | 1016 | // edgeHash2Info = <hash, [[idx1, rank1], [idx2, rank2], [idx3, rank3]..]> |
---|
[924] | 1017 | |
---|
[1158] | 1018 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdx2Idx; |
---|
[924] | 1019 | |
---|
| 1020 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeHash2Info.begin(); it != edgeHash2Info.end(); ++it) |
---|
| 1021 | { |
---|
[1158] | 1022 | size_t rankMin = (it->second)[1]; |
---|
[924] | 1023 | size_t idx = (it->second)[0]; |
---|
[1158] | 1024 | |
---|
[924] | 1025 | for (int i = 2; i < (it->second).size();) |
---|
| 1026 | { |
---|
[1158] | 1027 | if ((it->second)[i+1] < rankMin) |
---|
[924] | 1028 | { |
---|
[1158] | 1029 | rankMin = (it->second)[i+1]; |
---|
[924] | 1030 | idx = (it->second)[i]; |
---|
[1158] | 1031 | (it->second)[i+1] = (it->second)[i-1]; |
---|
[924] | 1032 | } |
---|
[1158] | 1033 | i += 2; |
---|
| 1034 | } |
---|
| 1035 | if (edgeIdx2Idx.count(idx) == 0) |
---|
| 1036 | { |
---|
| 1037 | if (mpiRank == rankMin) |
---|
[924] | 1038 | { |
---|
[1158] | 1039 | edgeIdx2Idx[idx].push_back(rankMin); |
---|
| 1040 | edgeIdx2Idx[idx].push_back(idx); |
---|
[924] | 1041 | } |
---|
| 1042 | } |
---|
[1158] | 1043 | } |
---|
| 1044 | |
---|
[1507] | 1045 | unsigned long edgeCount = edgeIdx2Idx.size(); |
---|
| 1046 | unsigned long edgeStart, nbEdges; |
---|
[1639] | 1047 | MPI_Scan(&edgeCount, &edgeStart, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
---|
[1158] | 1048 | int nEdges = edgeStart; |
---|
[1639] | 1049 | MPI_Bcast(&nEdges, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
---|
[1158] | 1050 | nbEdgesGlo = nEdges; |
---|
| 1051 | |
---|
| 1052 | edgeStart -= edgeCount; |
---|
| 1053 | edge_start = edgeStart; |
---|
| 1054 | edge_count = edgeCount; |
---|
| 1055 | CClientClientDHTSizet::Index2VectorInfoTypeMap dummyEdgeMap; |
---|
| 1056 | int count = 0; |
---|
| 1057 | |
---|
| 1058 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
| 1059 | { |
---|
| 1060 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
[924] | 1061 | { |
---|
[1158] | 1062 | // Getting global indexes of edge's nodes |
---|
| 1063 | int nh1 = 0; |
---|
| 1064 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1065 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 1066 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 1067 | { |
---|
| 1068 | ++nh1; |
---|
| 1069 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 1070 | } |
---|
| 1071 | int nh2 = 0; |
---|
| 1072 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 1073 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 1074 | { |
---|
| 1075 | ++nh2; |
---|
| 1076 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 1077 | } |
---|
| 1078 | size_t nodeIdxGlo1 = it1->second[0]; |
---|
| 1079 | size_t nodeIdxGlo2 = it2->second[0]; |
---|
| 1080 | |
---|
| 1081 | if (nodeIdxGlo1 != nodeIdxGlo2) |
---|
| 1082 | { |
---|
| 1083 | size_t edgeIdx = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
| 1084 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeIdx2Idx.find(edgeIdx); |
---|
| 1085 | if (it != edgeIdx2Idx.end()) |
---|
| 1086 | { |
---|
| 1087 | if (dummyEdgeMap.count(edgeIdx) == 0) |
---|
| 1088 | { |
---|
| 1089 | dummyEdgeMap[edgeIdx].push_back(edgeIdx); |
---|
| 1090 | (it->second)[1] = edge_start + count; |
---|
| 1091 | ++count; |
---|
| 1092 | } |
---|
| 1093 | } |
---|
| 1094 | } |
---|
[924] | 1095 | } |
---|
| 1096 | } |
---|
| 1097 | |
---|
[1158] | 1098 | CClientClientDHTSizet dhtEdgeIdx(edgeIdx2Idx, comm); |
---|
| 1099 | dhtEdgeIdx.computeIndexInfoMapping(edgeHashList); |
---|
| 1100 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdx2IdxGlo = dhtEdgeIdx.getInfoIndexMap(); |
---|
| 1101 | |
---|
| 1102 | // (2.4) Saving variables: edge_lon, edge_lat, face_edges |
---|
[924] | 1103 | edge_lon.resize(edge_count); |
---|
| 1104 | edge_lat.resize(edge_count); |
---|
| 1105 | edge_nodes.resize(2, edge_count); |
---|
[929] | 1106 | face_edges.resize(nvertex, nbFaces_); |
---|
[924] | 1107 | |
---|
| 1108 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdxGlo2Face; |
---|
[929] | 1109 | CArray<size_t,1> edgeIdxGloList(nbFaces_*nvertex); |
---|
[924] | 1110 | size_t iIdx = 0; |
---|
| 1111 | |
---|
[929] | 1112 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 1113 | { |
---|
| 1114 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 1115 | { |
---|
| 1116 | // Getting global indexes of edge's nodes |
---|
| 1117 | int nh1 = 0; |
---|
| 1118 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1119 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 1120 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 1121 | { |
---|
| 1122 | ++nh1; |
---|
| 1123 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 1124 | } |
---|
| 1125 | int nh2 = 0; |
---|
| 1126 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 1127 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 1128 | { |
---|
| 1129 | ++nh2; |
---|
| 1130 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 1131 | } |
---|
| 1132 | // Getting edge global index |
---|
| 1133 | size_t nodeIdxGlo1 = it1->second[0]; |
---|
| 1134 | size_t nodeIdxGlo2 = it2->second[0]; |
---|
[1158] | 1135 | size_t myIdx = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
[929] | 1136 | if (nodeIdxGlo1 != nodeIdxGlo2) |
---|
| 1137 | { |
---|
[1158] | 1138 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxGlo.find(myIdx); |
---|
| 1139 | int edgeIdxGlo = (itIdx->second)[1]; |
---|
[929] | 1140 | size_t faceIdxGlo = nbFacesAccum + nf; |
---|
[924] | 1141 | |
---|
[1158] | 1142 | if (mpiRank == (itIdx->second)[0]) |
---|
[929] | 1143 | { |
---|
| 1144 | double edgeLon; |
---|
| 1145 | double diffLon = abs(bounds_lon(nv1, nf) - bounds_lon(nv2, nf)); |
---|
| 1146 | if (diffLon < (180.- prec)) |
---|
| 1147 | edgeLon = ( bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5; |
---|
| 1148 | else if (diffLon > (180.+ prec)) |
---|
| 1149 | edgeLon = (bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5 -180.; |
---|
| 1150 | else |
---|
| 1151 | edgeLon = 0.; |
---|
| 1152 | edge_lon(edgeIdxGlo - edge_start) = edgeLon; |
---|
| 1153 | edge_lat(edgeIdxGlo - edge_start) = ( bounds_lat(nv1, nf) + bounds_lat(nv2, nf) ) * 0.5; |
---|
| 1154 | edge_nodes(0, edgeIdxGlo - edge_start) = nodeIdxGlo1; |
---|
| 1155 | edge_nodes(1, edgeIdxGlo - edge_start) = nodeIdxGlo2; |
---|
| 1156 | } |
---|
| 1157 | face_edges(nv1,nf) = edgeIdxGlo; |
---|
| 1158 | if (edgeIdxGlo2Face.count(edgeIdxGlo) == 0) |
---|
| 1159 | { |
---|
| 1160 | edgeIdxGloList(iIdx) = edgeIdxGlo; |
---|
| 1161 | ++iIdx; |
---|
| 1162 | } |
---|
| 1163 | edgeIdxGlo2Face[edgeIdxGlo].push_back(faceIdxGlo); |
---|
| 1164 | } // nodeIdxGlo1 != nodeIdxGlo2 |
---|
[924] | 1165 | else |
---|
| 1166 | { |
---|
[929] | 1167 | face_edges(nv1,nf) = 999999; |
---|
[924] | 1168 | } |
---|
| 1169 | } |
---|
| 1170 | } |
---|
| 1171 | edgeIdxGloList.resizeAndPreserve(iIdx); |
---|
| 1172 | |
---|
[1158] | 1173 | // (2.5) Saving remaining variables edge_faces and face_faces |
---|
[924] | 1174 | edge_faces.resize(2, edge_count); |
---|
[929] | 1175 | face_faces.resize(nvertex, nbFaces_); |
---|
[924] | 1176 | |
---|
| 1177 | CClientClientDHTSizet dhtEdge2Face (edgeIdxGlo2Face, comm); |
---|
| 1178 | dhtEdge2Face.computeIndexInfoMapping(edgeIdxGloList); |
---|
| 1179 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxGlo2FaceIdx = dhtEdge2Face.getInfoIndexMap(); |
---|
| 1180 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdxGlo1, itNodeIdxGlo2; |
---|
[1158] | 1181 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx; |
---|
[924] | 1182 | |
---|
[929] | 1183 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 1184 | { |
---|
| 1185 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 1186 | { |
---|
| 1187 | // Getting global indexes of edge's nodes |
---|
| 1188 | int nh1 = 0; |
---|
| 1189 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1190 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 1191 | while (it1 == nodeHash2IdxGlo.end()) |
---|
| 1192 | { |
---|
| 1193 | ++nh1; |
---|
| 1194 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
| 1195 | } |
---|
| 1196 | int nh2 = 0; |
---|
| 1197 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
| 1198 | while (it2 == nodeHash2IdxGlo.end()) |
---|
| 1199 | { |
---|
| 1200 | ++nh2; |
---|
| 1201 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
| 1202 | } |
---|
| 1203 | size_t nodeIdxGlo1 = it1->second[0]; |
---|
| 1204 | size_t nodeIdxGlo2 = it2->second[0]; |
---|
| 1205 | |
---|
[1158] | 1206 | size_t myIdx = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
| 1207 | itIdx = edgeIdx2IdxGlo.find(myIdx); |
---|
[929] | 1208 | size_t faceIdxGlo = nbFacesAccum + nf; |
---|
[1158] | 1209 | int edgeIdxGlo = (itIdx->second)[1]; |
---|
[924] | 1210 | |
---|
[1158] | 1211 | if (mpiRank == (itIdx->second)[0]) |
---|
[924] | 1212 | { |
---|
| 1213 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
| 1214 | int face1 = it1->second[0]; |
---|
| 1215 | if (it1->second.size() == 1) |
---|
| 1216 | { |
---|
| 1217 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
| 1218 | edge_faces(1, edgeIdxGlo - edge_start) = -999; |
---|
[929] | 1219 | face_faces(nv1, nf) = 999999; |
---|
[924] | 1220 | } |
---|
| 1221 | else |
---|
| 1222 | { |
---|
| 1223 | int face2 = it1->second[1]; |
---|
| 1224 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
| 1225 | edge_faces(1, edgeIdxGlo - edge_start) = face2; |
---|
| 1226 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
| 1227 | } |
---|
| 1228 | } |
---|
| 1229 | else |
---|
| 1230 | { |
---|
| 1231 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
| 1232 | int face1 = it1->second[0]; |
---|
| 1233 | int face2 = it1->second[1]; |
---|
| 1234 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
| 1235 | } |
---|
| 1236 | } |
---|
| 1237 | } |
---|
| 1238 | } // nodesAreWritten |
---|
| 1239 | |
---|
| 1240 | // Case (3): Neither nodes nor edges have been previously generated |
---|
| 1241 | else |
---|
[879] | 1242 | { |
---|
[924] | 1243 | // (3.1) Creating a list of hashes for each node and a map nodeHash2Idx <hash, <idx,rank> > |
---|
| 1244 | vector<size_t> hashValues(4); |
---|
| 1245 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2Idx; |
---|
[929] | 1246 | CArray<size_t,1> nodeHashList(nbFaces_*nvertex*4); |
---|
[924] | 1247 | size_t iHash = 0; |
---|
[929] | 1248 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[879] | 1249 | { |
---|
[924] | 1250 | for (int nv = 0; nv < nvertex; ++nv) |
---|
[879] | 1251 | { |
---|
[924] | 1252 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
[1158] | 1253 | // size_t nodeIndex = generateNodeIndex(hashValues, mpiRank); |
---|
| 1254 | size_t nodeIndex = generateNodeIndex(hashValues); |
---|
[924] | 1255 | for (int nh = 0; nh < 4; ++nh) |
---|
| 1256 | { |
---|
| 1257 | if (nodeHash2Idx.count(hashValues[nh])==0) |
---|
| 1258 | { |
---|
| 1259 | nodeHash2Idx[hashValues[nh]].push_back(nodeIndex); |
---|
| 1260 | nodeHash2Idx[hashValues[nh]].push_back(mpiRank); |
---|
| 1261 | nodeHashList(iHash) = hashValues[nh]; |
---|
| 1262 | ++iHash; |
---|
| 1263 | } |
---|
| 1264 | } |
---|
[879] | 1265 | } |
---|
[924] | 1266 | } |
---|
| 1267 | nodeHashList.resizeAndPreserve(iHash); |
---|
| 1268 | |
---|
| 1269 | // (3.2) Generating global node indexes |
---|
[1158] | 1270 | // The ownership criterion: priority of the process with smaller rank. |
---|
| 1271 | // With any other criterion it is not possible to have consistent node indexing for different number of procs. |
---|
[924] | 1272 | // Maps generated in this step are: |
---|
[1158] | 1273 | // nodeHash2Info = <hash, [[idx, rankMin], [idx, rank1], [idx, rank3]..]> |
---|
| 1274 | // nodeIdx2Idx = <idx, <rankOwner, idx>> |
---|
[924] | 1275 | |
---|
| 1276 | CClientClientDHTSizet dhtNodeHash(nodeHash2Idx, comm); |
---|
| 1277 | dhtNodeHash.computeIndexInfoMapping(nodeHashList); |
---|
| 1278 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2Info = dhtNodeHash.getInfoIndexMap(); |
---|
| 1279 | |
---|
[1158] | 1280 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2Idx; |
---|
| 1281 | CArray<size_t,1> nodeIdxList(nbFaces_*nvertex*4); |
---|
| 1282 | size_t nIdx = 0; |
---|
[924] | 1283 | |
---|
| 1284 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeHash2Info.begin(); it != nodeHash2Info.end(); ++it) |
---|
| 1285 | { |
---|
[1158] | 1286 | size_t rankMin = (it->second)[1]; |
---|
[924] | 1287 | size_t idx = (it->second)[0]; |
---|
| 1288 | for (int i = 2; i < (it->second).size();) |
---|
[879] | 1289 | { |
---|
[1158] | 1290 | if ( (it->second)[i+1] < rankMin) |
---|
[924] | 1291 | { |
---|
| 1292 | idx = (it->second)[i]; |
---|
[1158] | 1293 | rankMin = (it->second)[i+1]; |
---|
| 1294 | (it->second)[i+1] = (it->second)[i-1]; |
---|
[924] | 1295 | } |
---|
[1158] | 1296 | i += 2; |
---|
| 1297 | } |
---|
| 1298 | if (nodeIdx2Idx.count(idx) == 0) |
---|
| 1299 | { |
---|
| 1300 | if (mpiRank == rankMin) |
---|
[924] | 1301 | { |
---|
[1158] | 1302 | nodeIdx2Idx[idx].push_back(rankMin); |
---|
| 1303 | nodeIdx2Idx[idx].push_back(idx); |
---|
[924] | 1304 | } |
---|
[1158] | 1305 | nodeIdxList(nIdx) = idx; |
---|
| 1306 | ++nIdx; |
---|
[879] | 1307 | } |
---|
[1158] | 1308 | } |
---|
| 1309 | |
---|
| 1310 | // CDHTAutoIndexing dhtNodeIdxGlo = CDHTAutoIndexing(nodeIdx2Idx, comm); |
---|
| 1311 | // CDHTAutoIndexing will not give consistent node numbering for varying number of procs. => |
---|
| 1312 | // Solution: global node indexing by hand. |
---|
| 1313 | // Maps modified in this step: |
---|
| 1314 | // nodeIdx2Idx = <idx, idxGlo> |
---|
[1507] | 1315 | unsigned long nodeCount = nodeIdx2Idx.size(); |
---|
| 1316 | unsigned long nodeStart, nbNodes; |
---|
[1639] | 1317 | MPI_Scan(&nodeCount, &nodeStart, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
---|
[1158] | 1318 | int nNodes = nodeStart; |
---|
[1639] | 1319 | MPI_Bcast(&nNodes, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
---|
[1158] | 1320 | nbNodesGlo = nNodes; |
---|
| 1321 | |
---|
| 1322 | nodeStart -= nodeCount; |
---|
| 1323 | node_start = nodeStart; |
---|
| 1324 | node_count = nodeCount; |
---|
| 1325 | CClientClientDHTSizet::Index2VectorInfoTypeMap dummyMap; // just a dummy map used to ensure that each node is numbered only once |
---|
| 1326 | size_t count = 0; |
---|
| 1327 | |
---|
| 1328 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
| 1329 | { |
---|
| 1330 | for (int nv = 0; nv < nvertex; ++nv) |
---|
[924] | 1331 | { |
---|
[1158] | 1332 | vector<size_t> hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 1333 | size_t nodeIdx = generateNodeIndex(hashValues); |
---|
| 1334 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeIdx2Idx.find(nodeIdx); |
---|
| 1335 | if (it != nodeIdx2Idx.end()) |
---|
| 1336 | { |
---|
| 1337 | if (dummyMap.count(nodeIdx) == 0) |
---|
| 1338 | { |
---|
| 1339 | dummyMap[nodeIdx].push_back(nodeIdx); |
---|
| 1340 | (it->second)[1] = node_start + count; |
---|
| 1341 | ++count; |
---|
| 1342 | } |
---|
| 1343 | } |
---|
[924] | 1344 | } |
---|
[879] | 1345 | } |
---|
[1158] | 1346 | nodeIdxList.resizeAndPreserve(nIdx); |
---|
| 1347 | CClientClientDHTSizet dhtNodeIdx(nodeIdx2Idx, comm); |
---|
| 1348 | dhtNodeIdx.computeIndexInfoMapping(nodeIdxList); |
---|
| 1349 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeIdx2IdxGlo = dhtNodeIdx.getInfoIndexMap(); |
---|
[879] | 1350 | |
---|
[924] | 1351 | // (3.3) Saving node data: node_lon, node_lat, and face_nodes |
---|
| 1352 | // Generating edgeHash2Info = <hash, <idx, rank>> and edgeHashList |
---|
[1158] | 1353 | // nbNodesGlo = dhtNodeIdxGlo.getNbIndexesGlobal(); |
---|
| 1354 | // node_count = dhtNodeIdxGlo.getIndexCount(); |
---|
| 1355 | // node_start = dhtNodeIdxGlo.getIndexStart(); |
---|
[924] | 1356 | node_lon.resize(node_count); |
---|
| 1357 | node_lat.resize(node_count); |
---|
| 1358 | size_t nodeIdxGlo1 = 0; |
---|
| 1359 | size_t nodeIdxGlo2 = 0; |
---|
| 1360 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Idx; |
---|
| 1361 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdxGlo1, itNodeIdxGlo2; |
---|
[929] | 1362 | CArray<size_t,1> edgeHashList(nbFaces_*nvertex); |
---|
| 1363 | size_t nEdgeHash = 0; |
---|
[879] | 1364 | |
---|
[929] | 1365 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 1366 | { |
---|
| 1367 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 1368 | { |
---|
| 1369 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1370 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
| 1371 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
[1158] | 1372 | size_t nodeIdx1 = generateNodeIndex(hashValues1); |
---|
| 1373 | size_t nodeIdx2 = generateNodeIndex(hashValues2); |
---|
| 1374 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdx1 = nodeIdx2IdxGlo.find(nodeIdx1); |
---|
| 1375 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdx2 = nodeIdx2IdxGlo.find(nodeIdx2); |
---|
| 1376 | size_t ownerRank = (itNodeIdx1->second)[0]; |
---|
| 1377 | nodeIdxGlo1 = (itNodeIdx1->second)[1]; |
---|
| 1378 | nodeIdxGlo2 = (itNodeIdx2->second)[1]; |
---|
[900] | 1379 | |
---|
[1158] | 1380 | if (mpiRank == ownerRank) |
---|
[924] | 1381 | { |
---|
| 1382 | node_lon(nodeIdxGlo1 - node_start) = bounds_lon(nv1, nf); |
---|
| 1383 | node_lat(nodeIdxGlo1 - node_start) = bounds_lat(nv1, nf); |
---|
| 1384 | } |
---|
[929] | 1385 | if (nodeIdxGlo1 != nodeIdxGlo2) |
---|
| 1386 | { |
---|
| 1387 | size_t edgeHash = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
[1158] | 1388 | edgeHash2Idx[edgeHash].push_back(edgeHash); |
---|
[929] | 1389 | edgeHash2Idx[edgeHash].push_back(mpiRank); |
---|
| 1390 | edgeHashList(nEdgeHash) = edgeHash; |
---|
| 1391 | ++nEdgeHash; |
---|
| 1392 | } |
---|
[924] | 1393 | face_nodes(nv1,nf) = nodeIdxGlo1; |
---|
| 1394 | } |
---|
| 1395 | } |
---|
[929] | 1396 | edgeHashList.resizeAndPreserve(nEdgeHash); |
---|
[924] | 1397 | |
---|
| 1398 | // (3.4) Generating global edge indexes |
---|
| 1399 | // Maps generated in this step are: |
---|
[1158] | 1400 | // edgeIdx2Idx = = <idx, <rankOwner, idx>> |
---|
| 1401 | // edgeIdx2IdxGlo = <idxMin, <rankOwner, idxGlo>> |
---|
[924] | 1402 | |
---|
| 1403 | CClientClientDHTSizet dhtEdgeHash(edgeHash2Idx, comm); |
---|
| 1404 | dhtEdgeHash.computeIndexInfoMapping(edgeHashList); |
---|
| 1405 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdgeHash.getInfoIndexMap(); |
---|
| 1406 | // edgeHash2Info = <hash, [[idx1, rank1], [idx2, rank2], [idx3, rank3]..]> |
---|
| 1407 | |
---|
[1158] | 1408 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdx2Idx; |
---|
[924] | 1409 | |
---|
| 1410 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeHash2Info.begin(); it != edgeHash2Info.end(); ++it) |
---|
| 1411 | { |
---|
[1158] | 1412 | size_t rankMin = (it->second)[1]; |
---|
[924] | 1413 | size_t idx = (it->second)[0]; |
---|
| 1414 | |
---|
| 1415 | for (int i = 2; i < (it->second).size();) |
---|
| 1416 | { |
---|
[1158] | 1417 | if ((it->second)[i+1] < rankMin) |
---|
[924] | 1418 | { |
---|
[1158] | 1419 | rankMin = (it->second)[i+1]; |
---|
[924] | 1420 | idx = (it->second)[i]; |
---|
[1158] | 1421 | (it->second)[i+1] = (it->second)[i-1]; |
---|
[924] | 1422 | } |
---|
[1158] | 1423 | i += 2; |
---|
| 1424 | } |
---|
| 1425 | if (edgeIdx2Idx.count(idx) == 0) |
---|
| 1426 | { |
---|
| 1427 | if (mpiRank == rankMin) |
---|
[924] | 1428 | { |
---|
[1158] | 1429 | edgeIdx2Idx[idx].push_back(rankMin); |
---|
| 1430 | edgeIdx2Idx[idx].push_back(idx); |
---|
[924] | 1431 | } |
---|
| 1432 | } |
---|
[1158] | 1433 | } |
---|
| 1434 | |
---|
[1507] | 1435 | unsigned long edgeCount = edgeIdx2Idx.size(); |
---|
| 1436 | unsigned long edgeStart, nbEdges; |
---|
[1639] | 1437 | MPI_Scan(&edgeCount, &edgeStart, 1, MPI_UNSIGNED_LONG, MPI_SUM, comm); |
---|
[1158] | 1438 | int nEdges = edgeStart; |
---|
[1639] | 1439 | MPI_Bcast(&nEdges, 1, MPI_UNSIGNED_LONG, mpiSize-1, comm); |
---|
[1158] | 1440 | nbEdgesGlo = nEdges; |
---|
| 1441 | |
---|
| 1442 | edgeStart -= edgeCount; |
---|
| 1443 | edge_start = edgeStart; |
---|
| 1444 | edge_count = edgeCount; |
---|
| 1445 | CClientClientDHTSizet::Index2VectorInfoTypeMap dummyEdgeMap; |
---|
| 1446 | count = 0; |
---|
| 1447 | |
---|
| 1448 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
| 1449 | { |
---|
| 1450 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
[924] | 1451 | { |
---|
[1158] | 1452 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1453 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
| 1454 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
| 1455 | size_t nodeIdx1 = generateNodeIndex(hashValues1); |
---|
| 1456 | size_t nodeIdx2 = generateNodeIndex(hashValues2); |
---|
| 1457 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdx1 = nodeIdx2IdxGlo.find(nodeIdx1); |
---|
| 1458 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdx2 = nodeIdx2IdxGlo.find(nodeIdx2); |
---|
| 1459 | nodeIdxGlo1 = (itNodeIdx1->second)[1]; |
---|
| 1460 | nodeIdxGlo2 = (itNodeIdx2->second)[1]; |
---|
| 1461 | |
---|
| 1462 | if (nodeIdxGlo1 != nodeIdxGlo2) |
---|
| 1463 | { |
---|
| 1464 | size_t edgeIdx = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
| 1465 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeIdx2Idx.find(edgeIdx); |
---|
| 1466 | if (it != edgeIdx2Idx.end()) |
---|
| 1467 | { |
---|
| 1468 | if (dummyEdgeMap.count(edgeIdx) == 0) |
---|
| 1469 | { |
---|
| 1470 | dummyEdgeMap[edgeIdx].push_back(edgeIdx); |
---|
| 1471 | (it->second)[1] = edge_start + count; |
---|
| 1472 | ++count; |
---|
| 1473 | } |
---|
| 1474 | } |
---|
| 1475 | } |
---|
[924] | 1476 | } |
---|
| 1477 | } |
---|
[1158] | 1478 | CClientClientDHTSizet dhtEdgeIdx(edgeIdx2Idx, comm); |
---|
| 1479 | dhtEdgeIdx.computeIndexInfoMapping(edgeHashList); |
---|
| 1480 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdx2IdxGlo = dhtEdgeIdx.getInfoIndexMap(); |
---|
[924] | 1481 | |
---|
| 1482 | // (3.5) Saving variables: edge_lon, edge_lat, face_edges |
---|
| 1483 | // Creating map edgeIdxGlo2Face <idxGlo, face> |
---|
[1158] | 1484 | // nbEdgesGlo = dhtEdgeIdxGlo.getNbIndexesGlobal(); |
---|
| 1485 | // edge_count = dhtEdgeIdxGlo.getIndexCount(); |
---|
| 1486 | // edge_start = dhtEdgeIdxGlo.getIndexStart(); |
---|
[924] | 1487 | |
---|
| 1488 | edge_lon.resize(edge_count); |
---|
| 1489 | edge_lat.resize(edge_count); |
---|
| 1490 | edge_nodes.resize(2, edge_count); |
---|
[929] | 1491 | face_edges.resize(nvertex, nbFaces_); |
---|
[924] | 1492 | |
---|
| 1493 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2; |
---|
| 1494 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdxGlo2Face; |
---|
[929] | 1495 | CArray<size_t,1> edgeIdxGloList(nbFaces_*nvertex); |
---|
| 1496 | size_t nEdge = 0; |
---|
[924] | 1497 | |
---|
[929] | 1498 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 1499 | { |
---|
| 1500 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 1501 | { |
---|
| 1502 | // Getting global indexes of edge's nodes |
---|
| 1503 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1504 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
| 1505 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
| 1506 | |
---|
[1158] | 1507 | size_t nodeIdx1 = generateNodeIndex(hashValues1); |
---|
| 1508 | size_t nodeIdx2 = generateNodeIndex(hashValues2); |
---|
| 1509 | it1 = nodeIdx2IdxGlo.find(nodeIdx1); |
---|
| 1510 | it2 = nodeIdx2IdxGlo.find(nodeIdx2); |
---|
| 1511 | size_t nodeIdxGlo1 = (it1->second)[1]; |
---|
| 1512 | size_t nodeIdxGlo2 = (it2->second)[1]; |
---|
[924] | 1513 | |
---|
[929] | 1514 | if (nodeIdxGlo1 != nodeIdxGlo2) |
---|
| 1515 | { |
---|
[1158] | 1516 | size_t myIdx = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
| 1517 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxGlo.find(myIdx); |
---|
| 1518 | int edgeIdxGlo = (itIdx->second)[1]; |
---|
[929] | 1519 | size_t faceIdxGlo = nbFacesAccum + nf; |
---|
[924] | 1520 | |
---|
[1158] | 1521 | if (mpiRank == (itIdx->second)[0]) |
---|
[929] | 1522 | { |
---|
| 1523 | double edgeLon; |
---|
| 1524 | double diffLon = abs(bounds_lon(nv1, nf) - bounds_lon(nv2, nf)); |
---|
| 1525 | if (diffLon < (180.- prec)) |
---|
| 1526 | edgeLon = ( bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5; |
---|
| 1527 | else if (diffLon > (180.+ prec)) |
---|
| 1528 | edgeLon = (bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5 -180.; |
---|
| 1529 | else |
---|
| 1530 | edgeLon = 0.; |
---|
| 1531 | edge_lon(edgeIdxGlo - edge_start) = edgeLon; |
---|
| 1532 | edge_lat(edgeIdxGlo-edge_start) = ( bounds_lat(nv1, nf) + bounds_lat(nv2, nf) ) * 0.5; |
---|
| 1533 | edge_nodes(0, edgeIdxGlo - edge_start) = nodeIdxGlo1; |
---|
| 1534 | edge_nodes(1, edgeIdxGlo - edge_start) = nodeIdxGlo2; |
---|
| 1535 | } |
---|
| 1536 | face_edges(nv1,nf) = edgeIdxGlo; |
---|
| 1537 | if (edgeIdxGlo2Face.count(edgeIdxGlo) == 0) |
---|
| 1538 | { |
---|
| 1539 | edgeIdxGloList(nEdge) = edgeIdxGlo; |
---|
| 1540 | ++nEdge; |
---|
| 1541 | } |
---|
| 1542 | edgeIdxGlo2Face[edgeIdxGlo].push_back(faceIdxGlo); |
---|
| 1543 | } // nodeIdxGlo1 != nodeIdxGlo2 |
---|
[924] | 1544 | else |
---|
| 1545 | { |
---|
[929] | 1546 | face_edges(nv1,nf) = 999999; |
---|
[924] | 1547 | } |
---|
| 1548 | } |
---|
| 1549 | } |
---|
[929] | 1550 | edgeIdxGloList.resizeAndPreserve(nEdge); |
---|
[924] | 1551 | |
---|
| 1552 | // (3.6) Saving remaining variables edge_faces and face_faces |
---|
| 1553 | edge_faces.resize(2, edge_count); |
---|
[929] | 1554 | face_faces.resize(nvertex, nbFaces_); |
---|
[924] | 1555 | |
---|
| 1556 | CClientClientDHTSizet dhtEdge2Face (edgeIdxGlo2Face, comm); |
---|
| 1557 | dhtEdge2Face.computeIndexInfoMapping(edgeIdxGloList); |
---|
| 1558 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxGlo2FaceIdx = dhtEdge2Face.getInfoIndexMap(); |
---|
| 1559 | |
---|
[929] | 1560 | for (int nf = 0; nf < nbFaces_; ++nf) |
---|
[924] | 1561 | { |
---|
| 1562 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 1563 | { |
---|
| 1564 | // Getting global indexes of edge's nodes |
---|
| 1565 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1566 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
| 1567 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
| 1568 | |
---|
[1158] | 1569 | size_t myNodeIdx1 = generateNodeIndex(hashValues1); |
---|
| 1570 | size_t myNodeIdx2 = generateNodeIndex(hashValues2); |
---|
[929] | 1571 | if (myNodeIdx1 != myNodeIdx2) |
---|
| 1572 | { |
---|
[1158] | 1573 | it1 = nodeIdx2IdxGlo.find(myNodeIdx1); |
---|
| 1574 | it2 = nodeIdx2IdxGlo.find(myNodeIdx2); |
---|
| 1575 | size_t nodeIdxGlo1 = (it1->second)[1]; |
---|
| 1576 | size_t nodeIdxGlo2 = (it2->second)[1]; |
---|
| 1577 | size_t myIdx = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
| 1578 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxGlo.find(myIdx); |
---|
| 1579 | int edgeIdxGlo = (itIdx->second)[1]; |
---|
[924] | 1580 | |
---|
[929] | 1581 | size_t faceIdxGlo = nbFacesAccum + nf; |
---|
[924] | 1582 | |
---|
[1158] | 1583 | if (mpiRank == (itIdx->second)[0]) |
---|
[924] | 1584 | { |
---|
[929] | 1585 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
| 1586 | int face1 = it1->second[0]; |
---|
| 1587 | if (it1->second.size() == 1) |
---|
| 1588 | { |
---|
| 1589 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
| 1590 | edge_faces(1, edgeIdxGlo - edge_start) = -999; |
---|
| 1591 | face_faces(nv1, nf) = 999999; |
---|
| 1592 | } |
---|
| 1593 | else |
---|
| 1594 | { |
---|
| 1595 | size_t face2 = it1->second[1]; |
---|
| 1596 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
| 1597 | edge_faces(1, edgeIdxGlo - edge_start) = face2; |
---|
| 1598 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
| 1599 | } |
---|
[1158] | 1600 | } |
---|
[924] | 1601 | else |
---|
| 1602 | { |
---|
[929] | 1603 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
| 1604 | int face1 = it1->second[0]; |
---|
| 1605 | int face2 = it1->second[1]; |
---|
[924] | 1606 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
[1158] | 1607 | } |
---|
[929] | 1608 | } // myNodeIdx1 != myNodeIdx2 |
---|
[924] | 1609 | else |
---|
[929] | 1610 | face_faces(nv1, nf) = 999999; |
---|
[924] | 1611 | } |
---|
| 1612 | } |
---|
[1158] | 1613 | |
---|
[924] | 1614 | } |
---|
| 1615 | facesAreWritten = true; |
---|
[879] | 1616 | } // nvertex >= 3 |
---|
| 1617 | |
---|
| 1618 | } // createMeshEpsilon |
---|
| 1619 | |
---|
[2200] | 1620 | |
---|
[929] | 1621 | ///---------------------------------------------------------------- |
---|
| 1622 | /*! |
---|
[931] | 1623 | * \fn void CMesh::getGloNghbFacesNodeType(const MPI_Comm& comm, const CArray<int, 1>& face_idx, |
---|
| 1624 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1625 | CArray<int, 2>& nghbFaces) |
---|
[929] | 1626 | * Finds neighboring cells of a local domain for node-type of neighbors. |
---|
| 1627 | * \param [in] comm |
---|
[931] | 1628 | * \param [in] face_idx Array with global indexes. |
---|
[929] | 1629 | * \param [in] bounds_lon Array of boundary longitudes. |
---|
| 1630 | * \param [in] bounds_lat Array of boundary latitudes. |
---|
| 1631 | * \param [out] nghbFaces 2D array of storing global indexes of neighboring cells and their owner procs. |
---|
| 1632 | */ |
---|
| 1633 | |
---|
[1639] | 1634 | void CMesh::getGloNghbFacesNodeType(const MPI_Comm& comm, const CArray<int, 1>& face_idx, |
---|
[929] | 1635 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1636 | CArray<int, 2>& nghbFaces) |
---|
| 1637 | { |
---|
[931] | 1638 | int nvertex = bounds_lon.rows(); |
---|
[929] | 1639 | int nbFaces = bounds_lon.shape()[1]; |
---|
| 1640 | nghbFaces.resize(2, nbFaces*10); // some estimate on max number of neighbouring cells |
---|
| 1641 | |
---|
| 1642 | int mpiRank, mpiSize; |
---|
[1639] | 1643 | MPI_Comm_rank(comm, &mpiRank); |
---|
| 1644 | MPI_Comm_size(comm, &mpiSize); |
---|
[929] | 1645 | |
---|
| 1646 | // (1) Generating unique node indexes |
---|
| 1647 | // (1.1) Creating a list of hashes for each node and a map nodeHash2Idx <hash, <idx,rank> > |
---|
| 1648 | vector<size_t> hashValues(4); |
---|
| 1649 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2Idx; |
---|
| 1650 | CArray<size_t,1> nodeHashList(nbFaces*nvertex*4); |
---|
| 1651 | size_t iIdx = 0; |
---|
| 1652 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 1653 | { |
---|
| 1654 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 1655 | { |
---|
| 1656 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 1657 | size_t nodeIndex = generateNodeIndex(hashValues, mpiRank); |
---|
| 1658 | for (int nh = 0; nh < 4; ++nh) |
---|
| 1659 | { |
---|
| 1660 | if (nodeHash2Idx.count(hashValues[nh])==0) |
---|
| 1661 | { |
---|
| 1662 | nodeHash2Idx[hashValues[nh]].push_back(nodeIndex); |
---|
| 1663 | nodeHash2Idx[hashValues[nh]].push_back(mpiRank); |
---|
| 1664 | nodeHashList(iIdx) = hashValues[nh]; |
---|
| 1665 | ++iIdx; |
---|
| 1666 | } |
---|
| 1667 | } |
---|
| 1668 | } |
---|
| 1669 | } |
---|
| 1670 | nodeHashList.resizeAndPreserve(iIdx); |
---|
| 1671 | |
---|
| 1672 | // (1.2) Generating node indexes |
---|
| 1673 | // The ownership criterion: priority of the process holding the smaller index |
---|
| 1674 | // Maps generated in this step are: |
---|
| 1675 | // nodeHash2Info = <hash, idx1, idx2, idx3....> |
---|
| 1676 | // nodeIdx2IdxMin = <idx, idxMin> |
---|
| 1677 | // idxMin is a unique node identifier |
---|
| 1678 | |
---|
| 1679 | CClientClientDHTSizet dhtNodeHash(nodeHash2Idx, comm); |
---|
| 1680 | dhtNodeHash.computeIndexInfoMapping(nodeHashList); |
---|
| 1681 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2Info = dhtNodeHash.getInfoIndexMap(); |
---|
| 1682 | |
---|
| 1683 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2IdxMin; |
---|
| 1684 | |
---|
| 1685 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeHash2Info.begin(); it != nodeHash2Info.end(); ++it) |
---|
| 1686 | { |
---|
| 1687 | size_t idxMin = (it->second)[0]; |
---|
| 1688 | size_t idx = (it->second)[0]; |
---|
| 1689 | for (int i = 2; i < (it->second).size();) |
---|
| 1690 | { |
---|
| 1691 | if (mpiRank == (it->second)[i+1]) |
---|
| 1692 | { |
---|
| 1693 | idx = (it->second)[i]; |
---|
| 1694 | } |
---|
| 1695 | if ((it->second)[i] < idxMin) |
---|
| 1696 | { |
---|
| 1697 | idxMin = (it->second)[i]; |
---|
| 1698 | (it->second)[i] = (it->second)[i-2]; |
---|
| 1699 | (it->second)[i+1] = (it->second)[i-1]; |
---|
| 1700 | } |
---|
| 1701 | i += 2; |
---|
| 1702 | } |
---|
| 1703 | (it->second)[0] = idxMin; |
---|
| 1704 | if (nodeIdx2IdxMin.count(idx) == 0) |
---|
| 1705 | { |
---|
| 1706 | nodeIdx2IdxMin[idx].push_back(idxMin); |
---|
| 1707 | } |
---|
| 1708 | } |
---|
| 1709 | |
---|
| 1710 | // (2) Creating maps nodeIdxMin2Face = <nodeIdxMin, [face1, face2, ...]> |
---|
| 1711 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it; |
---|
| 1712 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdxMin2Face; |
---|
| 1713 | CArray<size_t,1> nodeIdxMinList(nbFaces*nvertex*4); |
---|
| 1714 | |
---|
| 1715 | size_t nNode = 0; |
---|
| 1716 | |
---|
| 1717 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 1718 | { |
---|
| 1719 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 1720 | { |
---|
| 1721 | vector<size_t> hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 1722 | size_t myNodeIdx = generateNodeIndex(hashValues, mpiRank); |
---|
| 1723 | it = nodeIdx2IdxMin.find(myNodeIdx); |
---|
| 1724 | size_t nodeIdxMin = (it->second)[0]; |
---|
[931] | 1725 | size_t faceIdx = face_idx(nf); |
---|
[929] | 1726 | if (nodeIdxMin2Face.count(nodeIdxMin) == 0) |
---|
| 1727 | { |
---|
| 1728 | nodeIdxMinList(nNode) = nodeIdxMin; |
---|
| 1729 | ++nNode; |
---|
| 1730 | } |
---|
| 1731 | nodeIdxMin2Face[nodeIdxMin].push_back(faceIdx); |
---|
| 1732 | nodeIdxMin2Face[nodeIdxMin].push_back(mpiRank); |
---|
| 1733 | } |
---|
| 1734 | } |
---|
| 1735 | nodeIdxMinList.resizeAndPreserve(nNode); |
---|
| 1736 | |
---|
| 1737 | // (3) Face_face connectivity |
---|
| 1738 | |
---|
| 1739 | // nodeIdxMin2Info = <nodeIdxMin, [face1, face2,...]> |
---|
| 1740 | CClientClientDHTSizet dhtNode2Face (nodeIdxMin2Face, comm); |
---|
| 1741 | dhtNode2Face.computeIndexInfoMapping(nodeIdxMinList); |
---|
| 1742 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeIdxMin2Info = dhtNode2Face.getInfoIndexMap(); |
---|
| 1743 | CClientClientDHTSizet::Index2VectorInfoTypeMap mapFaces; // auxiliar map |
---|
| 1744 | |
---|
| 1745 | int nbNghb = 0; |
---|
| 1746 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNode; |
---|
| 1747 | |
---|
| 1748 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 1749 | { |
---|
| 1750 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 1751 | { |
---|
| 1752 | vector<size_t> hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 1753 | size_t myNodeIdx = generateNodeIndex(hashValues, mpiRank); |
---|
| 1754 | itNode = nodeIdx2IdxMin.find(myNodeIdx); |
---|
| 1755 | size_t nodeIdxMin = (itNode->second)[0]; |
---|
| 1756 | |
---|
| 1757 | itNode = nodeIdxMin2Info.find(nodeIdxMin); |
---|
| 1758 | for (int i = 0; i < itNode->second.size();) |
---|
| 1759 | { |
---|
| 1760 | size_t face = itNode->second[i]; |
---|
| 1761 | size_t rank = itNode->second[i+1]; |
---|
| 1762 | if (rank != mpiRank) |
---|
| 1763 | if (mapFaces.count(face) == 0) |
---|
| 1764 | { |
---|
| 1765 | nghbFaces(0, nbNghb) = face; |
---|
| 1766 | nghbFaces(1, nbNghb) = rank; |
---|
| 1767 | ++nbNghb; |
---|
| 1768 | mapFaces[face].push_back(face); |
---|
| 1769 | } |
---|
| 1770 | i += 2; |
---|
| 1771 | } |
---|
| 1772 | } |
---|
| 1773 | } |
---|
| 1774 | nghbFaces.resizeAndPreserve(2, nbNghb); |
---|
[931] | 1775 | } // getGloNghbFacesNodeType |
---|
[929] | 1776 | |
---|
| 1777 | ///---------------------------------------------------------------- |
---|
| 1778 | /*! |
---|
[931] | 1779 | * \fn void CMesh::getGloNghbFacesEdgeType(const MPI_Comm& comm, const CArray<int, 1>& face_idx, |
---|
[929] | 1780 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1781 | CArray<int, 2>& nghbFaces) |
---|
| 1782 | * Finds neighboring cells of a local domain for edge-type of neighbors. |
---|
| 1783 | * \param [in] comm |
---|
[931] | 1784 | * \param [in] face_idx Array with global indexes. |
---|
[929] | 1785 | * \param [in] bounds_lon Array of boundary longitudes. |
---|
| 1786 | * \param [in] bounds_lat Array of boundary latitudes. |
---|
| 1787 | * \param [out] nghbFaces 2D array of storing global indexes of neighboring cells and their owner procs. |
---|
| 1788 | */ |
---|
| 1789 | |
---|
[1639] | 1790 | void CMesh::getGloNghbFacesEdgeType(const MPI_Comm& comm, const CArray<int, 1>& face_idx, |
---|
[929] | 1791 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1792 | CArray<int, 2>& nghbFaces) |
---|
| 1793 | { |
---|
[931] | 1794 | int nvertex = bounds_lon.rows(); |
---|
[929] | 1795 | int nbFaces = bounds_lon.shape()[1]; |
---|
| 1796 | nghbFaces.resize(2, nbFaces*10); // estimate of max number of neighbouring cells |
---|
| 1797 | |
---|
| 1798 | int mpiRank, mpiSize; |
---|
[1639] | 1799 | MPI_Comm_rank(comm, &mpiRank); |
---|
| 1800 | MPI_Comm_size(comm, &mpiSize); |
---|
[929] | 1801 | |
---|
| 1802 | // (1) Generating unique node indexes |
---|
| 1803 | // (1.1) Creating a list of hashes for each node and a map nodeHash2Idx <hash, <idx,rank> > |
---|
| 1804 | vector<size_t> hashValues(4); |
---|
| 1805 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2Idx; |
---|
| 1806 | CArray<size_t,1> nodeHashList(nbFaces*nvertex*4); |
---|
| 1807 | size_t iIdx = 0; |
---|
| 1808 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 1809 | { |
---|
| 1810 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 1811 | { |
---|
| 1812 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
| 1813 | size_t nodeIndex = generateNodeIndex(hashValues, mpiRank); |
---|
| 1814 | for (int nh = 0; nh < 4; ++nh) |
---|
| 1815 | { |
---|
| 1816 | if (nodeHash2Idx.count(hashValues[nh])==0) |
---|
| 1817 | { |
---|
| 1818 | nodeHash2Idx[hashValues[nh]].push_back(nodeIndex); |
---|
| 1819 | nodeHash2Idx[hashValues[nh]].push_back(mpiRank); |
---|
| 1820 | nodeHashList(iIdx) = hashValues[nh]; |
---|
| 1821 | ++iIdx; |
---|
| 1822 | } |
---|
| 1823 | } |
---|
| 1824 | } |
---|
| 1825 | } |
---|
| 1826 | nodeHashList.resizeAndPreserve(iIdx); |
---|
| 1827 | |
---|
| 1828 | // (1.2) Generating node indexes |
---|
| 1829 | // The ownership criterion: priority of the process holding the smaller index |
---|
| 1830 | // Maps generated in this step are: |
---|
| 1831 | // nodeHash2Info = <hash, idx1, idx2, idx3....> |
---|
| 1832 | // nodeIdx2IdxMin = <idx, idxMin> |
---|
| 1833 | // idxMin is a unique node identifier |
---|
| 1834 | |
---|
| 1835 | CClientClientDHTSizet dhtNodeHash(nodeHash2Idx, comm); |
---|
| 1836 | dhtNodeHash.computeIndexInfoMapping(nodeHashList); |
---|
| 1837 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2Info = dhtNodeHash.getInfoIndexMap(); |
---|
| 1838 | |
---|
| 1839 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2IdxMin; |
---|
| 1840 | |
---|
| 1841 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeHash2Info.begin(); it != nodeHash2Info.end(); ++it) |
---|
| 1842 | { |
---|
| 1843 | size_t idxMin = (it->second)[0]; |
---|
| 1844 | size_t idx = (it->second)[0]; |
---|
| 1845 | for (int i = 2; i < (it->second).size();) |
---|
| 1846 | { |
---|
| 1847 | if (mpiRank == (it->second)[i+1]) |
---|
| 1848 | { |
---|
| 1849 | idx = (it->second)[i]; |
---|
| 1850 | } |
---|
| 1851 | if ((it->second)[i] < idxMin) |
---|
| 1852 | { |
---|
| 1853 | idxMin = (it->second)[i]; |
---|
| 1854 | (it->second)[i] = (it->second)[i-2]; |
---|
| 1855 | (it->second)[i+1] = (it->second)[i-1]; |
---|
| 1856 | } |
---|
| 1857 | i += 2; |
---|
| 1858 | } |
---|
| 1859 | (it->second)[0] = idxMin; |
---|
| 1860 | if (nodeIdx2IdxMin.count(idx) == 0) |
---|
| 1861 | { |
---|
| 1862 | nodeIdx2IdxMin[idx].push_back(idxMin); |
---|
| 1863 | } |
---|
| 1864 | } |
---|
| 1865 | |
---|
| 1866 | // (2) Creating map edgeHash2Face = <edgeHash, [[face1, rank1], [face2, rank2]]>, where rank1 = rank2 = ... |
---|
| 1867 | |
---|
| 1868 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2, it; |
---|
| 1869 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Face; |
---|
| 1870 | CArray<size_t,1> edgeHashList(nbFaces*nvertex); |
---|
| 1871 | |
---|
| 1872 | size_t nEdge = 0; |
---|
| 1873 | |
---|
| 1874 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 1875 | { |
---|
| 1876 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 1877 | { |
---|
| 1878 | // Getting indexes of edge's nodes |
---|
| 1879 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 1880 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
| 1881 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
| 1882 | size_t myNodeIdx1 = generateNodeIndex(hashValues1, mpiRank); |
---|
| 1883 | size_t myNodeIdx2 = generateNodeIndex(hashValues2, mpiRank); |
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| 1884 | it1 = nodeIdx2IdxMin.find(myNodeIdx1); |
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| 1885 | it2 = nodeIdx2IdxMin.find(myNodeIdx2); |
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| 1886 | size_t nodeIdxMin1 = (it1->second)[0]; |
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| 1887 | size_t nodeIdxMin2 = (it2->second)[0]; |
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[931] | 1888 | size_t faceIdx = face_idx(nf); |
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[929] | 1889 | |
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| 1890 | if (nodeIdxMin1 != nodeIdxMin2) |
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| 1891 | { |
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| 1892 | size_t edgeHash = hashPairOrdered(nodeIdxMin1, nodeIdxMin2); |
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| 1893 | if (edgeHash2Face.count(edgeHash) == 0) |
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| 1894 | { |
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| 1895 | edgeHashList(nEdge) = edgeHash; |
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| 1896 | ++nEdge; |
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| 1897 | } |
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| 1898 | edgeHash2Face[edgeHash].push_back(faceIdx); |
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| 1899 | edgeHash2Face[edgeHash].push_back(mpiRank); |
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| 1900 | } // nodeIdxMin1 != nodeIdxMin2 |
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| 1901 | } |
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| 1902 | } |
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| 1903 | edgeHashList.resizeAndPreserve(nEdge); |
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| 1904 | |
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| 1905 | // (3) Face_face connectivity |
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| 1906 | |
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| 1907 | int nbNghb = 0; |
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| 1908 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNode1, itNode2; |
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| 1909 | |
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| 1910 | // edgeHash2Info = <edgeHash, [[face1, rank1], [face2, rank2]]> |
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| 1911 | CClientClientDHTSizet dhtEdge2Face (edgeHash2Face, comm); |
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| 1912 | dhtEdge2Face.computeIndexInfoMapping(edgeHashList); |
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| 1913 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdge2Face.getInfoIndexMap(); |
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| 1914 | CClientClientDHTSizet::Index2VectorInfoTypeMap mapFaces; // auxiliar map |
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| 1915 | |
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| 1916 | for (int nf = 0; nf < nbFaces; ++nf) |
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| 1917 | { |
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| 1918 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
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| 1919 | { |
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| 1920 | // Getting indexes of edge's nodes |
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| 1921 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
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| 1922 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
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| 1923 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
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| 1924 | |
---|
| 1925 | size_t myNodeIdx1 = generateNodeIndex(hashValues1, mpiRank); |
---|
| 1926 | size_t myNodeIdx2 = generateNodeIndex(hashValues2, mpiRank); |
---|
| 1927 | itNode1 = nodeIdx2IdxMin.find(myNodeIdx1); |
---|
| 1928 | itNode2 = nodeIdx2IdxMin.find(myNodeIdx2); |
---|
| 1929 | size_t nodeIdxMin1 = (itNode1->second)[0]; |
---|
| 1930 | size_t nodeIdxMin2 = (itNode2->second)[0]; |
---|
| 1931 | |
---|
| 1932 | if (nodeIdxMin1 != nodeIdxMin2) |
---|
| 1933 | { |
---|
| 1934 | size_t edgeHash = hashPairOrdered(nodeIdxMin1, nodeIdxMin2); |
---|
| 1935 | it1 = edgeHash2Info.find(edgeHash); |
---|
| 1936 | |
---|
| 1937 | for (int i = 0; i < it1->second.size();) |
---|
| 1938 | { |
---|
| 1939 | size_t face = it1->second[i]; |
---|
| 1940 | size_t rank = it1->second[i+1]; |
---|
| 1941 | if (rank != mpiRank) |
---|
| 1942 | if (mapFaces.count(face) == 0) |
---|
| 1943 | { |
---|
| 1944 | nghbFaces(0, nbNghb) = face; |
---|
| 1945 | nghbFaces(1, nbNghb) = rank; |
---|
| 1946 | ++nbNghb; |
---|
| 1947 | mapFaces[face].push_back(face); |
---|
| 1948 | } |
---|
| 1949 | i += 2; |
---|
| 1950 | } |
---|
| 1951 | } // nodeIdxMin1 != nodeIdxMin2 |
---|
| 1952 | } |
---|
| 1953 | } |
---|
| 1954 | nghbFaces.resizeAndPreserve(2, nbNghb); |
---|
[931] | 1955 | } // getGloNghbFacesEdgeType |
---|
[929] | 1956 | |
---|
| 1957 | ///---------------------------------------------------------------- |
---|
| 1958 | /*! |
---|
[931] | 1959 | * \fn void getGlobalNghbFaces (const int nghbType, const MPI_Comm& comm, const CArray<int, 1>& face_idx, |
---|
| 1960 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1961 | CArray<size_t, 1>& nghbFaces) |
---|
| 1962 | * Finds neighboring faces owned by other procs. |
---|
[929] | 1963 | * \param [in] nghbType 0 for faces sharing nodes, otherwise for faces sharing edges. |
---|
| 1964 | * \param [in] comm |
---|
[931] | 1965 | * \param [in] face_idx Array with global indexes. |
---|
[929] | 1966 | * \param [in] bounds_lon Array of boundary longitudes. |
---|
| 1967 | * \param [in] bounds_lat Array of boundary latitudes. |
---|
[931] | 1968 | * \param [out] nghbFaces 2D array containing neighboring faces and owner ranks. |
---|
[929] | 1969 | */ |
---|
| 1970 | |
---|
[1639] | 1971 | void CMesh::getGlobalNghbFaces(const int nghbType, const MPI_Comm& comm, |
---|
[931] | 1972 | const CArray<int, 1>& face_idx, |
---|
| 1973 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1974 | CArray<int, 2>& nghbFaces) |
---|
[929] | 1975 | { |
---|
| 1976 | if (nghbType == 0) |
---|
[931] | 1977 | getGloNghbFacesNodeType(comm, face_idx, bounds_lon, bounds_lat, nghbFaces); |
---|
[929] | 1978 | else |
---|
[931] | 1979 | getGloNghbFacesEdgeType(comm, face_idx, bounds_lon, bounds_lat, nghbFaces); |
---|
| 1980 | } // getGlobalNghbFaces |
---|
[929] | 1981 | |
---|
[931] | 1982 | ///---------------------------------------------------------------- |
---|
| 1983 | /*! |
---|
| 1984 | * \fn void getLocalNghbFaces (const int nghbType, |
---|
| 1985 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1986 | CArray<size_t, 1>& nghbFaces) |
---|
| 1987 | * \param [in] nghbType 0 for faces sharing nodes, otherwise for faces sharing edges. |
---|
| 1988 | * \param [in] bounds_lon Array of boundary longitudes. |
---|
| 1989 | * \param [in] bounds_lat Array of boundary latitudes. |
---|
| 1990 | * \param [out] nghbFaces 1D array containing neighboring faces. |
---|
| 1991 | */ |
---|
| 1992 | |
---|
| 1993 | void CMesh::getLocalNghbFaces(const int nghbType, const CArray<int, 1>& face_idx, |
---|
| 1994 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 1995 | CArray<int, 2>& nghbFaces, CArray<int, 1>& nbNghbFaces) |
---|
| 1996 | { |
---|
| 1997 | if (nghbType == 0) |
---|
| 1998 | getLocNghbFacesNodeType(face_idx, bounds_lon, bounds_lat, nghbFaces, nbNghbFaces); |
---|
| 1999 | else |
---|
| 2000 | getLocNghbFacesEdgeType(face_idx, bounds_lon, bounds_lat, nghbFaces, nbNghbFaces); |
---|
| 2001 | } // getLocalNghbFaces |
---|
| 2002 | |
---|
| 2003 | ///---------------------------------------------------------------- |
---|
| 2004 | /*! |
---|
| 2005 | * \fn void getLocNghbFacesNodeType (const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 2006 | CArray<int, 2>& nghbFaces) |
---|
[945] | 2007 | * \param [in] face_idx Array with local face indexing. |
---|
[931] | 2008 | * \param [in] bounds_lon Array of boundary longitudes. |
---|
| 2009 | * \param [in] bounds_lat Array of boundary latitudes. |
---|
| 2010 | * \param [out] nghbFaces 2D array containing neighboring faces. |
---|
| 2011 | * \param [out] nbNghbFaces Array containing number of neighboring faces. |
---|
| 2012 | */ |
---|
| 2013 | |
---|
| 2014 | void CMesh::getLocNghbFacesNodeType (const CArray<int, 1>& face_idx, |
---|
| 2015 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 2016 | CArray<int, 2>& faceToFaces, CArray<int, 1>& nbNghbFaces) |
---|
| 2017 | { |
---|
| 2018 | int nvertex = bounds_lon.rows(); |
---|
| 2019 | int nbFaces = bounds_lon.shape()[1]; |
---|
| 2020 | int nbNodes = 0; |
---|
| 2021 | nbNghbFaces.resize(nbFaces); |
---|
| 2022 | nbNghbFaces = 0; |
---|
| 2023 | |
---|
[946] | 2024 | // nodeToFaces connectivity |
---|
| 2025 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeToFaces; |
---|
[931] | 2026 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 2027 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 2028 | { |
---|
[946] | 2029 | size_t nodeHash = (CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv ,nf)))[0]; |
---|
| 2030 | nodeToFaces[nodeHash].push_back(face_idx(nf)); |
---|
[931] | 2031 | } |
---|
| 2032 | |
---|
| 2033 | // faceToFaces connectivity |
---|
[1542] | 2034 | std::unordered_map <int, int> mapFaces; // mapFaces = < hash(face1, face2), hash> (the mapped value is irrelevant) |
---|
[946] | 2035 | int maxNb = 20; // some assumption on the max possible number of neighboring cells |
---|
| 2036 | faceToFaces.resize(maxNb, nbFaces); |
---|
| 2037 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it; |
---|
| 2038 | for (it = nodeToFaces.begin(); it != nodeToFaces.end(); ++it) |
---|
[931] | 2039 | { |
---|
[946] | 2040 | int size = it->second.size(); |
---|
| 2041 | for (int i = 0; i < (size-1); ++i) |
---|
[931] | 2042 | { |
---|
[946] | 2043 | int face1 = it->second[i]; |
---|
| 2044 | for (int j = i+1; j < size; ++j) |
---|
[931] | 2045 | { |
---|
[946] | 2046 | int face2 = it->second[j]; |
---|
| 2047 | if (face2 != face1) |
---|
[931] | 2048 | { |
---|
[946] | 2049 | int hashFace = hashPairOrdered(face1, face2); |
---|
| 2050 | if (mapFaces.count(hashFace) == 0) |
---|
| 2051 | { |
---|
| 2052 | faceToFaces(nbNghbFaces(face1), face1) = face2; |
---|
| 2053 | faceToFaces(nbNghbFaces(face2), face2) = face1; |
---|
| 2054 | ++nbNghbFaces(face1); |
---|
| 2055 | ++nbNghbFaces(face2); |
---|
| 2056 | mapFaces[hashFace] = hashFace; |
---|
| 2057 | } |
---|
[931] | 2058 | } |
---|
| 2059 | } |
---|
| 2060 | } |
---|
| 2061 | } |
---|
[946] | 2062 | } //getLocNghbFacesNodeType |
---|
[941] | 2063 | |
---|
[931] | 2064 | |
---|
| 2065 | ///---------------------------------------------------------------- |
---|
| 2066 | /*! |
---|
| 2067 | * \fn void getLocNghbFacesEdgeType (const CArray<int, 1>& face_idx, |
---|
| 2068 | * const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 2069 | * CArray<int, 2>& nghbFaces, CArray<int, 1>& nbNghbFaces) |
---|
[945] | 2070 | * \param [in] face_idx Array with local face indexing. |
---|
[931] | 2071 | * \param [in] bounds_lon Array of boundary longitudes. |
---|
| 2072 | * \param [in] bounds_lat Array of boundary latitudes. |
---|
| 2073 | * \param [out] nghbFaces 2D array containing neighboring faces. |
---|
| 2074 | * \param [out] nbNghbFaces Array containing number of neighboring faces. |
---|
| 2075 | */ |
---|
| 2076 | |
---|
| 2077 | void CMesh::getLocNghbFacesEdgeType (const CArray<int, 1>& face_idx, |
---|
| 2078 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat, |
---|
| 2079 | CArray<int, 2>& faceToFaces, CArray<int, 1>& nbNghbFaces) |
---|
| 2080 | { |
---|
| 2081 | int nvertex = bounds_lon.rows(); |
---|
| 2082 | int nbFaces = bounds_lon.shape()[1]; |
---|
| 2083 | int nbNodes = 0; |
---|
| 2084 | int nbEdges = 0; |
---|
| 2085 | nbNghbFaces.resize(nbFaces); |
---|
| 2086 | nbNghbFaces = 0; |
---|
| 2087 | |
---|
| 2088 | // faceToNodes connectivity |
---|
| 2089 | CArray<double, 2> faceToNodes (nvertex, nbFaces); |
---|
| 2090 | |
---|
[1542] | 2091 | std::unordered_map <pairDouble, int, boost::hash<pairDouble> > mapNodes; |
---|
[931] | 2092 | |
---|
| 2093 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 2094 | for (int nv = 0; nv < nvertex; ++nv) |
---|
| 2095 | { |
---|
| 2096 | if (mapNodes.find(make_pair (bounds_lon(nv, nf), bounds_lat(nv ,nf))) == mapNodes.end()) |
---|
| 2097 | { |
---|
| 2098 | mapNodes[make_pair (bounds_lon(nv, nf), bounds_lat(nv, nf))] = nbNodes; |
---|
| 2099 | faceToNodes(nv,nf) = nbNodes ; |
---|
| 2100 | ++nbNodes ; |
---|
| 2101 | } |
---|
| 2102 | else |
---|
| 2103 | faceToNodes(nv,nf) = mapNodes[make_pair (bounds_lon(nv, nf), bounds_lat(nv ,nf))]; |
---|
| 2104 | } |
---|
| 2105 | |
---|
| 2106 | // faceToFaces connectivity |
---|
[1542] | 2107 | std::unordered_map <pairInt, int, boost::hash<pairInt> > mapEdges; |
---|
[931] | 2108 | faceToFaces.resize(nvertex, nbFaces); |
---|
| 2109 | CArray<int, 2> edgeToFaces(2, nbFaces*nvertex); // max possible |
---|
| 2110 | |
---|
| 2111 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
| 2112 | { |
---|
| 2113 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
| 2114 | { |
---|
| 2115 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
| 2116 | int face = face_idx(nf); |
---|
| 2117 | int node1 = faceToNodes(nv1,face); |
---|
| 2118 | int node2 = faceToNodes(nv2,face); |
---|
| 2119 | if (node1 != node2) |
---|
| 2120 | { |
---|
| 2121 | if (mapEdges.find(make_ordered_pair (node1, node2)) == mapEdges.end()) |
---|
| 2122 | { |
---|
| 2123 | mapEdges[make_ordered_pair (node1, node2)] = nbEdges; |
---|
| 2124 | edgeToFaces(0,nbEdges) = face; |
---|
| 2125 | ++nbEdges; |
---|
| 2126 | } |
---|
| 2127 | else |
---|
| 2128 | { |
---|
| 2129 | int edge = mapEdges[make_ordered_pair (node1, node2)]; |
---|
| 2130 | edgeToFaces(1, edge) = face; |
---|
| 2131 | int face1 = face; |
---|
| 2132 | int face2 = edgeToFaces(0,edge); |
---|
| 2133 | faceToFaces(nbNghbFaces(face1), face1) = face2; |
---|
| 2134 | faceToFaces(nbNghbFaces(face2), face2) = face1; |
---|
| 2135 | ++nbNghbFaces(face1); |
---|
| 2136 | ++nbNghbFaces(face2); |
---|
| 2137 | } |
---|
| 2138 | } // node1 != node2 |
---|
| 2139 | } // nv |
---|
| 2140 | } // nf |
---|
| 2141 | |
---|
| 2142 | } //getLocNghbFacesEdgeType |
---|
| 2143 | |
---|
| 2144 | |
---|
[879] | 2145 | } // namespace xios |
---|